Find the product of:
(3x - 4)(2x^2 + 2x - 1).

A. 6x^3 + 2x^2 - 5x + 4
B. 6x^3 + 14x^2 - 11x + 4
C. 6x^3 - 14^2 - 5x + 4
D. 6x^3 - 2x^2 - 11x + 4

Find The Product Of:(3x - 4)(2x^2 + 2x - 1).A. 6x^3 + 2x^2 - 5x + 4B. 6x^3 + 14x^2 - 11x + 4 C. 6x^3

Answers

Answer 1

Answer:

6x^3 -2x^2-11x + 4

Step-by-step explanation:

(3x - 4)(2x^2 + 2x - 1)

(3x - 4)(2x^2 + 2x - 1)

[(3x)(2x^2 + 2x - 1)]  +  [-4(2x^2 + 2x - 1)]

6x^3 + 6x^2 - 3x           -8x^2 - 8x + 4

6x^3 + [6x^2-8x^2] [- 3x- 8x] + 4

6x^3 -2x^2-11x + 4

Answer 2

Answer:

[tex]6x^3-2x^2-11x+4[/tex]

Step-by-step explanation:

Given expression:

[tex](3x-4)(2x^2+2x-1)[/tex]

Distribute the parentheses:

[tex]\implies 3x(2x^2+2x-1)-4(2x^2+2x-1)[/tex]

[tex]\implies 3x \cdot 2x^2+3x \cdot 2x +3x \cdot -1 -4 \cdot 2x^2-4 \cdot 2x-4 \cdot -1[/tex]

[tex]\implies 6x^3+6x^2 -3x -8x^2-8x+4[/tex]

Collect like terms:

[tex]\implies 6x^3+6x^2-8x^2 -3x -8x+4[/tex]

Combine like terms:

[tex]\implies 6x^3-2x^2-11x+4[/tex]


Related Questions

Predict the number of times a coin will land TAILS up, based on past trials, if flipped 300 more times.



50
. 44


132


6600 Which one?

Answers

Based on the provided past trials, it is not possible to accurately predict the exact number of times a coin will land TAILS up if flipped 300 more times.

The given past trials consist of four numbers: 50, 44, 132, and 6600. It is unclear whether these numbers represent the number of times the coin landed TAILS up or the number of total flips. Assuming they represent the number of times the coin landed TAILS up, we can calculate the average number of TAILS per flip.

The average number of TAILS in the provided past trials is (50 + 44 + 132 + 6600) / 4 = 1682.

However, using this average to predict the future outcomes is not reliable. Each coin flip is an independent event, and the outcome of one flip does not affect the outcome of another. The probability of landing TAILS on each flip remains constant at 0.5, assuming the coin is fair.

Therefore, in the absence of additional information or a clear pattern in the past trials, we cannot make an accurate prediction of the number of times the coin will land TAILS up in the next 300 flips.

Learn more about probability:

https://brainly.com/question/31828911

#SPJ11

I need help because need to bring my math grade

Mr. Anderson took Mrs. Anderson out
for a nice steak dinner. The food bill
came out to $89.25 before tax and tip.
If tax is 6% and tip is 15%, what is
the total cost?

Answers

Answer:

$108.80

Step-by-step explanation:

89.25x0.06 = $5.36 tax

89.25 + 5.36= 94.61

94.61 x 0.15 = 14.91 tip

94.61 + 14.91 = 108.80 total

A faster way: 89.25*1.06*1.15=108.80

Your tax is going to be $5.36 bringing your total to $94.61. If you tip on pretax total your tip will be $13.39. (Total will be $102.64) If you tip on the taxed total the tip will be $14.19 bringing the total to $103.44

6. (20 points) the domain of a relation a is the set of integers. 2 is related to y under relation a it =u 2.

Answers

For any integer input x in the domain of relation a, if x is related to 2, then the output will be u2.

Based on the given information, we know that the domain of the relation a is the set of integers. Additionally, we know that 2 is related to y under relation a, with the output being u2.

Therefore, we can conclude that for any integer input x in the domain of relation a, if x is related to 2, then the output will be u2. However, we do not have enough information to determine the outputs for other inputs in the domain.

In other words, we know that the relation a contains at least one ordered pair (2, u2), but we do not know if there are any other ordered pairs in the relation.

The correct question should be :

In the given relation a, if an integer input x is related to 2, what is the corresponding output?

To learn more about relations visit : https://brainly.com/question/26098895

#SPJ11

Consider two independent random variables X and Y. X has a Uniform distribution on the interval (0, 3). The probability density function of Y is given by fY (y) = y^2/9 if 0 < y < 3; 0 otherwise (a) Calculate P(X / Y > 1). (b) Calculate P(X + Y > 2). (c) Calculate P(X * Y > 3)

Answers

Answer :   ∫∫[Y > 3/X] (1/3) * (y^2/9) dx/dy.

(a) To calculate P(X/Y > 1), we need to find the probability that the ratio of X to Y is greater than 1.

The joint probability density function of X and Y, since they are independent, is given by f(X,Y) = fX(x) * fY(y).

Given that X has a Uniform distribution on (0, 3), the probability density function of X, fX(x), is:

fX(x) = 1/(3-0) = 1/3 for 0 < x < 3, and 0 otherwise.

The probability density function of Y, fY(y), is given as:

fY(y) = y^2/9 for 0 < y < 3, and 0 otherwise.

Now, we can calculate P(X/Y > 1) as follows:

P(X/Y > 1) = ∫∫[X/Y > 1] f(X,Y) dxdy

          = ∫∫[X > Y] fX(x) * fY(y) dxdy

          = ∫∫[X > Y] (1/3) * (y^2/9) dxdy

          = ∫[0,3] ∫[0,x] (1/3) * (y^2/9) dydx

          = (1/3) ∫[0,3] [(1/9) * (y^3/3)] evaluated from 0 to x dx

          = (1/3) ∫[0,3] (x^3/27) dx

          = (1/3) * [(1/108) * (x^4)] evaluated from 0 to 3

          = (1/3) * [(1/108) * (3^4 - 0^4)]

          = (1/3) * [(1/108) * 81]

          = 1/4.

Therefore, P(X/Y > 1) = 1/4.

(b) To calculate P(X + Y > 2), we need to find the probability that the sum of X and Y is greater than 2.

We can calculate this as follows:

P(X + Y > 2) = ∫∫[X + Y > 2] f(X,Y) dxdy

            = ∫∫[X > 2 - Y] fX(x) * fY(y) dxdy

            = ∫∫[X > 2 - Y] (1/3) * (y^2/9) dxdy.

To solve this integral, we can break it into two parts based on the range of Y:

For 0 < y < 2:

∫∫[X > 2 - Y] (1/3) * (y^2/9) dxdy = ∫[0,2] ∫[2-y,3] (1/3) * (y^2/9) dxdy.

For 2 < y < 3:

∫∫[X > 2 - Y] (1/3) * (y^2/9) dxdy = ∫[2,3] ∫[0,3] (1/3) * (y^2/9) dxdy.

Calculating these integrals will give us the desired probability.

(c) To calculate P(X * Y > 3), we need to find the probability that the product of X and Y is greater than 3.

Similarly, we can set up the

integral:

P(X * Y > 3) = ∫∫[X * Y > 3] f(X,Y) dxdy

            = ∫∫[Y > 3/X] fX(x) * fY(y) dxdy

            = ∫∫[Y > 3/X] (1/3) * (y^2/9) dxdy.

We can then evaluate this integral over the appropriate ranges to find the desired probability.

Learn more about function : brainly.com/question/30721594

#SPJ11

The base of each triangle measures 2 centimeters and the perimeter of each triangle is 10 centimeters. What is the approximate total area of the plastic triangles on the spinner? 3. 9 square centimeters 6. 7 square centimeters 7. 7 square centimeters 13. 4 square centimeters.

Answers

The answer is option 13. 4 square centimeters.

Let's first find the length of the sides of each triangle. Since the perimeter of each triangle is 10 centimeters, and each triangle has 3 sides of equal length, the length of each side of the triangles is given by;

Side length = Perimeter ÷ Number of sides

= 10 ÷ 3= 3.33 (rounded to 2 decimal places)

The base of each triangle measures 2 centimeters, and the length of the side is 3.33 centimeters.

We can use the Pythagorean theorem to find the height of the triangles. Using Pythagorean theorem,

a² + b² = c²where a = 1, b = h and c = 3.33

From the formula above, we can find that:

h² = c² - a²

= 3.33² - 1²

≈ 10.77h

≈ √10.77

≈ 3.28

The area of each triangle is given by the formula;

Area = 1/2 x base x height

= 1/2 x 2 x 3.28

= 3.28 square centimeters (rounded to 2 decimal places)

Since there are 4 triangles, the total area of the plastic triangles on the spinner is approximately:

Total area = 4 x 3.28

= 13.12 square centimeters (rounded to 2 decimal places)

Therefore, the answer is option 13. 4 square centimeters.

To know more about square visit:

https://brainly.com/question/28776767

#SPJ11

Panchito discovered a refreshing beverage by mixing a 5% cranberry juice with a 90% orange juice. How much of each should he mix together to make 150 ml of a 22% cranberry-orange juice blend

Answers

Panchito should mix 30 ml of cranberry juice with 120 ml of orange juice to make 150 ml of a 22% cranberry-orange juice blend.

To determine the amounts of cranberry juice and orange juice that Panchito should mix, we can set up a system of equations based on the given information. Let's assume Panchito mixes x ml of cranberry juice and y ml of orange juice.

The total volume of the mixture is 150 ml: x + y = 150.

The percentage of cranberry juice in the mixture is 22%: (0.05x) / 150 = 0.22.

Simplifying the second equation, we get:

0.05x = 0.22 * 150

0.05x = 33

x = 33 / 0.05

x = 660 ml

Substituting this value back into the first equation, we can solve for y:

660 + y = 150

y = 150 - 660

y = -510 ml

Since the solution for y is negative, it is not feasible. This indicates that there is no way to create a 22% cranberry-orange juice blend using a 5% cranberry juice and a 90% orange juice.

To know more about juice blend,

https://brainly.com/question/29173266

#SPJ11

4y = -2 help pls this is missing I will give pts!!

Answers

Answer:y=-4/2x

Step-by-step explanation:

Fine the perimeter of a rectangle 4m 4m

Answers

Answer:

16 m

Step-by-step explanation:

is a square, all sides congruent, we add up and we have the perimeter

Perimeter = 4 + 4 + 4 + 4 = 16 m

Answer:

The result of the perimeter is 16 meters (m).

Step-by-step explanation:

To solve, we must first know that the perimeters in this problem should only be added to each side, which is 4, where it gives a result of 16 meters (m).

¿What are the perimeters?

First of all we must know that in geometry, the perimeter is the sum of all the sides. A perimeter is a closed path that encompasses, surrounds, or skirts a two-dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference.

With this we can say that the perimeters are those that are added from each side, so, what we need to do in this problem is just just add each side, each side is four, so we can add it by 4 since it asks us for that.

[tex] \bold{4 + 4 + 4 + 4 = \boxed{ \bold{16m}}}[/tex]

But we also have another step to solve this problem, which is just squaring it where it also gives us the same result, let's see:

[tex] \bold{2 {}^{4} = \boxed{ \bold{16 \: meters \: (m)}}}[/tex]

So, as we see, each resolution gives us the same result, therefore, the result of the perimeter is 16 meters (m).

Consider the following problem: The data set includes 107 body temperatures of healthy adult humans for which x=98.7°F and s = 0.72° F. Construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. What is the appropriate symbol to use for the answer?___ < δ < ______ < µ < ______ < p < ______ < z < ______ < n < ___

Answers

The appropriate symbols to use for the answer are: µ - z * (s / √n) < δ < µ + z * (s / √n)

To construct a confidence interval estimate for the mean body temperature of all healthy humans, we can use the symbol "µ" to represent the population mean.

A 99% confidence interval estimate for the mean body temperature can be represented as:

µ - z * (s / √n) < µ < µ + z * (s / √n)

In this expression:

"z" represents the critical value from the standard normal distribution corresponding to the desired confidence level (in this case, 99%).

"s" represents the sample standard deviation.

"n" represents the sample size.

Therefore, the appropriate symbols to use for the answer are:

µ - z * (s / √n) < δ < µ + z * (s / √n)

To know more about critical value refer to-

https://brainly.com/question/30168469

#SPJ11

determine the expression for the elastic curve using the coordinate x1 for 0≤x1≤a . express your answer in terms of some or all of the variables x1 , a , w , e , i , and l .

Answers

The expression for the elastic curve using the coordinate x1 for 0 ≤ x1 ≤ a is given by:[tex]y = (w * x1^2) / (2 * e * i) + C1 * x1 + C2.[/tex]

To determine the expression for the elastic curve using the coordinate x1 for 0 ≤ x1 ≤ a, we need to consider the equation for the deflection of a beam under bending. The elastic curve describes the shape of the beam due to applied loads.

The equation for the elastic curve of a beam can be expressed as:

[tex]y = (w * x1^2) / (2 * e * i) + C1 * x1 + C2,[/tex]

where:

y is the deflection at coordinate x1,

w is the distributed load acting on the beam,

e is the modulus of elasticity of the material,

i is the moment of inertia of the beam's cross-sectional shape,

C1 and C2 are constants determined by the boundary conditions.

In this case, since we are considering 0 ≤ x1 ≤ a, the boundary conditions will help us determine the constants C1 and C2. These conditions could be, for example, the deflection at the supports or the slope at the supports. Depending on the specific problem, the values of C1 and C2 would be determined accordingly.

To know more about elastic curve refer to-

https://brainly.com/question/24230581

#SPJ11

The cost of one pound of bananas is greater than $0. 41 and less than $0. 50. Sarah pays $3. 40 for x pounds of bananas. Which inequality represents the range of possible pounds purchased? 0. 41 < 0. 41 less than StartFraction 3. 40 over x EndFraction less than 0. 50. < 0. 50 0. 41 < 0. 41 less than StartFraction x over 3. 40 EndFraction less than 0. 50. < 0. 50 0. 41 < 3. 40x < 0. 50 0. 41 < 3. 40 x < 0. 50.

Answers

A) is correct answer. The inequality that represents the range of possible pounds purchased is 0.41 < (3.40/x) < 0.50.

The inequality that represents the range of possible pounds purchased is as follows:

0.41 < (3.40/x) < 0.50.

Let's discuss the given problem step-by-step.

Sarah pays $3.40 for x pounds of bananas.

The cost of one pound of bananas is greater than $0.41 and less than $0.50.

Therefore, the cost of x pounds of bananas can be written as:

3.40 < x(0.50) and 3.40 > x(0.41)

⇒ 0.41x < 3.40 < 0.50x

⇒ 0.41 < (3.40/x) < 0.50

Hence, the inequality that represents the range of possible pounds purchased is 0.41 < (3.40/x) < 0.50.

The answer is option A.

To know more about inequality visit:

https://brainly.com/question/20383699

#SPJ11

show if m is a positive integer and a is an integer relatively prime to m such that ordma = m - 1, then m is prime.

Answers

Let us assume that m is not prime. This means that there exists a prime factor p of m such that p ≤ √m. Since a is relatively prime to m, it must also be relatively prime to p.

Now, let's consider the order of a modulo p. We know that ordpa divides p-1, since p is prime. However, since a and p are relatively prime, we also know that ordpa cannot be equal to p-1, since this would imply that a is a primitive root modulo p, which is impossible since p is a prime factor of m and therefore does not have any primitive roots modulo p.
So, ordpa must divide p-1, but it cannot be equal to p-1. Therefore, ordpa must be strictly less than m-1 (since m has p as a factor, which means that m-1 has p-1 as a factor). However, we know that ordma = m-1. This means that ordpa cannot be equal to ordma.
This is a contradiction, since we assumed that ordma = m-1 and that ordpa divides m-1. Therefore, our initial assumption that m is not prime must be false. Therefore, m must be prime.
In conclusion, if m is a positive integer and a is an integer relatively prime to m such that ordma = m-1, then m must be prime.

Learn more about prime here

https://brainly.com/question/145452

#SPJ11

A rectangle is 20cm long and 8cm wide. Find the diagonal of the rectangle.

Answers

Answer:

21.5 cm

Step-by-step explanation:

a² + b² = c²

20² + 8² = c²

400 + 64 = c²

464 = c²

c = √464

c = 21.5

Answer: 21.5 cm

find an inverse of a modulo m for the following pairs (whenever possible) a=your day of birth,m=your month of birth a=34,m=91

Answers

The inverse of 'a' modulo 'm' is not possible for the given pairs (your day and month of birth: a=34, m=91) because 'a' and 'm' are not relatively prime.

To find the inverse of 'a' modulo 'm', we need to determine a number 'x' such that (a * x) % m = 1. This means that 'x' is the multiplicative inverse of 'a' modulo 'm'. However, for an inverse to exist, 'a' and 'm' must be relatively prime, meaning they do not have any common factors other than 1. In the given pair (a=34, m=91), 'a' and 'm' share a common factor of 13. Therefore, an inverse does not exist.

When 'a' and 'm' are not relatively prime, there is no integer 'x' that satisfies the equation (a * x) % m = 1. In this case, we cannot find the inverse of 'a' modulo 'm'. It is important to note that for an inverse to exist, 'm' must be a positive integer greater than 1, and 'a' must be a positive integer less than 'm'. In the given pair (34, 91), both conditions are met, but the lack of relative primality between 'a' and 'm' prevents the existence of an inverse.

Learn more about modulo here:

https://brainly.com/question/30636701

#SPJ11

the proportion of variation explained by the model is called the ____group of answer choices a. slope of the line b. sum of squares error c. coefficient of determination d. coefficient of correlation

Answers

The proportion of variation explained by the model is called the coefficient of determination, also denoted as R-squared.

It is a statistical measure that represents the percentage of the variance in the dependent variable that is explained by the independent variable(s) in the regression model. In other words, it measures the goodness of fit of the regression line to the observed data points. The coefficient of determination ranges from 0 to 1, where 0 indicates that the model does not explain any of the variance in the dependent variable, and 1 indicates that the model explains all of the variance in the dependent variable. The coefficient of determination is often used in regression analysis to evaluate the predictive power of the model and to compare the fit of different models.

To know more about proportion of variation,

https://brainly.com/question/31478540

#SPJ11

6.5.3 if (x1, . . . , xn) is a sample from a pareto(α) distribution (see exercise 6.2.9), whereα > 0 is unknown, determine the fisher information.

Answers

The Fisher information for a sample of size n from a Pareto(α) distribution is n/(α^2).

The Fisher information for a Pareto(α) distribution is I(α) = nα² / (α - 1)².

To determine the Fisher information for a sample from a Pareto(α) distribution, follow these steps:

1. Recall the Pareto(α) probability density function (PDF): f(x) = αxᵃ⁺¹), where x ≥ 1 and α > 0.
2. Compute the log-likelihood function, L(α) = ln(f(x1,...,xn)) = ∑ ln(α) - (α+1)ln(xi) for i = 1 to n.
3. Differentiate L(α) with respect to α: dL/dα = ∑ (1/α) - ln(xi).
4. Differentiate dL/dα again: d²L/dα² = -∑ (1/α²).
5. The Fisher information is the negative expectation of the second derivative: I(α) = -E(d²L/dα²).
6. Apply the Pareto(α) distribution's expectation: I(α) = nα² / (α - 1)².

To know more about Pareto(α) distribution click on below link:

https://brainly.com/question/30906388#

#SPJ11

A parking garage has 230 cars in it when it opens at 8 ( = 0). On the interval 0 ≤ ≤ 10, cars enter the parking garage at the rate ′ () = 58 cos(0.1635 − 0.642) cars per hour and cars leave the parking garage at the rate ′ () = 65 sin(0.281) + 7.1 cars per hour (a) How many cars enter the parking garage over the interval = 0 to = 10 hours? (b) Find ′′(5). Using correct units, explaining the meaning of this value in context of the problem. (c) Find the number of cars in the parking garage at time = 10. Show the work that leads to your answer.

Answers

Therefore, (a) ∫58cos(0.1635t - 0.642)dt from 0 to 10 gives approximately 822.6 cars, (b) ′′(5) = -65cos(0.281) which is approximately -62.4 cars per hour per hour, (c) Approximately 559 cars in the garage at t = 10.


(a) To find the number of cars entering the parking garage over the interval 0 ≤ t ≤ 10, we need to integrate the rate of cars entering the garage with respect to time. ∫58cos(0.1635t - 0.642)dt from 0 to 10 gives approximately 822.6 cars.
(b) To find ′′(5), we need to differentiate the rate of cars leaving the garage with respect to time twice. ′′(t) = -65cos(0.281) and ′′(5) = -65cos(0.281) which is approximately -62.4 cars per hour per hour. This value represents the rate of change of the rate of cars leaving the garage at t = 5.
(c) To find the number of cars in the parking garage at time t = 10, we need to subtract the total number of cars leaving the garage from the total number of cars entering the garage from t = 0 to t = 10. This gives approximately 559 cars in the garage at t = 10.


Therefore, (a) ∫58cos(0.1635t - 0.642)dt from 0 to 10 gives approximately 822.6 cars, (b) ′′(5) = -65cos(0.281) which is approximately -62.4 cars per hour per hour, (c) Approximately 559 cars in the garage at t = 10.

To know more about the rate visit:

https://brainly.com/question/119866

#SPJ11

A new car is purchased for $16,500. The value of the car depreciates at 5.75% per year. What will the car be worth, to the nearest penny, after 5 years?

Answers

Answer:

Step-by-step explanation:

I think it would be 500

Answer:

The value of the car after 5 years is $12271.05

The present value of the car, PV = $16500

The rate of depreciation, r = 5.75%

r = 5.75/100

r = 0.0575

Step-by-step explanation:

to test this series for convergence ∑_(n=1 )^[infinity]▒n/√(n^3+4)
you could use the limit comparison test, comparing it to the series ∑_(n=1)^[infinity]▒1/n^p where p=

Answers

Using the limit comparison test by comparing it to the series ∑(n=1 to ∞) 1/n^p, for convergence where p is a positive constant if p > 1, the series ∑(n=1 to ∞) n/√(n^3 + 4) converges. Otherwise, it diverges.

Let's determine the value of p to compare the given series:

Taking the limit as n approaches infinity of the ratio between the terms of the two series:

lim(n→∞) (n/√(n^3 + 4)) / (1/n^p)

Simplifying the expression inside the limit:

lim(n→∞) (n/n^p) / √(n^3 + 4)

Taking the reciprocal of the denominator:

lim(n→∞) (n/n^p) * (1/√(n^3 + 4))

Now, let's simplify further by dividing both the numerator and denominator by n:

lim(n→∞) 1/n^(p-1) * (1/√(n^2 + 4/n))

Since the term 4/n approaches 0 as n approaches infinity, we have:

lim(n→∞) 1/n^(p-1) * (1/√n^2)

Simplifying inside the limit:

lim(n→∞) 1/n^(p-1) * (1/n)

Combining the terms:

lim(n→∞) 1/n^p

For the series to converge, the limit above must be finite and positive.

Let's analyze the cases for p:

If p > 1:

In this case, the limit is 0, indicating that the series ∑(n=1 to ∞) 1/n^p converges. Therefore, the given series ∑(n=1 to ∞) n/√(n^3 + 4) also converges.

If p ≤ 1:

In this case, the limit approaches infinity, indicating that the series ∑(n=1 to ∞) 1/n^p diverges. Therefore, the given series ∑(n=1 to ∞) n/√(n^3 + 4) also diverges.

In conclusion, if p > 1, the series ∑(n=1 to ∞) n/√(n^3 + 4) converges. Otherwise, it diverges

Learn more about convergence:

https://brainly.com/question/15415793

#SPJ11

Simplify the expression Sqrt 39 (sqrt6+7)

Answers

The simplified expression √39(√6 + 7) is equal to √(39 * 6) + 7√(39 .

To simplify the expression √39(√6 + 7), we can follow these steps:

Step 1: Distribute the square-root (√) to both terms inside the parentheses:

  √39 * √6 + √39 * 7

Step 2: Simplify the square roots separately:

  √(39 * 6) + √(39 * 7)

Step 3: Calculate the products under the square roots:

  √234 + √273

Step 4: Simplify the square roots further:

  √(9 * 26) + √(9 * 3 * 3 * 3)

Step 5: Split the square root of a product into the product of the square roots:

  √9 * √26 + √9 * √(3 * 3 * 3)

Step 6: Simplify the square roots of perfect squares:

  3√26 + 3√(3 * 3 * 3)

Step 7: Multiply the numbers outside the square roots:

  3√26 + 9√3

Note that the simplified form is obtained by simplifying the square roots as much as possible and combining like terms.

For more such questions on expression

https://brainly.com/question/1859113

#SPJ8

Use the geometric series f(x) = 1/1 - x = sigma^infinity_k = 0 x^k, for |x| < 1. to find the power series representation for the following function (centered at 0). Give the interval of convergence of the new series. g(x) = x^3/1 - x Which of the following is the power series representation for g(x)? A. sigma^infinity_k = 0 x^3/x^k C. sigma^infinity_k = 0 1/1 - x^k + 3 B. sigma^infinity_k = 0 x^k + 3 D. sigma^infinity_k = 0 x^3k The interval of convergence of the new series is. (Simplify your answer. Type your answer in interval notation.)

Answers

B. sigma^infinity_k = 0 x^k + 3, and the interval of convergence is (-1, 1).

To find the power series representation for g(x), we need to rewrite g(x) in terms of the given geometric series.

Notice that g(x) can be written as:
g(x) = x^3/1 - x = x^3 * (1/1-x)

We can now substitute the formula for the geometric series to get:

g(x) = x^3 * sigma^infinity_k = 0 x^k
= sigma^infinity_k = 0 (x^3 * x^k)
= sigma^infinity_k = 0 x^(k+3)

Therefore, the power series representation for g(x) is:
sigma^infinity_k = 0 x^(k+3)

The interval of convergence of this series is the same as that of the geometric series, which is |x| < 1.

In interval notation, this can be written as (-1, 1).

Therefore, the correct answer is B. sigma^infinity_k = 0 x^k + 3, and the interval of convergence is (-1, 1).

Know more about convergence here:

https://brainly.com/question/17019250

#SPJ11

using only the digits 0 and 1 how many different numbers consisting of 8 digits can be formed

Answers

The first digit must be 1. The remaining seven ones must be either 0 or 1.

Therefore, there can be formed [tex]2^7=128[/tex] different numbers.

We say XA is an indicator variable for event A: XA = 1 if A occurs, XA = 0 if A does not occur. If P(A) = 0.35, what is: • E(XA)? Var (XA)

Answers

The expected value of XA is 0.35, and the variance of XA is 0.2275.

To find the expected value of XA, we simply multiply the probability of A occurring (0.35) by 1 (the indicator variable when A occurs) and add the product of the probability of A not occurring (1 - 0.35 = 0.65) and 0 (the indicator variable when A does not occur). So, E(XA) = 0.35 * 1 + 0.65 * 0 = 0.35.

To find the variance of XA, we need to calculate the probability of each outcome (0 or 1) and its squared difference from the expected value. The variance formula for an indicator variable is Var(XA) = P(A)(1 - P(A)). Therefore, Var(XA) = 0.35 * (1 - 0.35) = 0.35 * 0.65 = 0.2275.

For more questions like Probability click the link below:

https://brainly.com/question/30034780

#SPJ11

find the area enclosed by the polar curve r=12sinθ. write the exact answer. do not round.

Answers

To find the area enclosed by the polar curve r = 12sinθ, we can use the formula for the area of a polar curve: A = 1/2 * ∫(r^2)dθ. For r = 12sinθ, the integral limits are from 0 to π because the curve covers a full period of the sine function.

Let's evaluate the integral using angle identity:

A = 1/2 * ∫(r^2)dθ
A = 1/2 * ∫((12sinθ)^2)dθ, with θ from 0 to π

A = 1/2 * ∫(144sin^2θ)dθ

Now, we can use the double angle identity sin^2θ = (1 - cos(2θ))/2:

A = 1/2 * ∫(144(1 - cos(2θ))/2)dθ

A = 72 * ∫(1 - cos(2θ))dθ, with θ from 0 to π

Now, we can integrate:

A = 72 * [θ - 1/2 * sin(2θ)] from 0 to π

A = 72 * [π - 0 - (1/2 * sin(2π) - 1/2 * sin(0))]

A = 72 * π

The exact area enclosed by the polar curve r = 12sinθ is 72π square units.

Learn more about angle identity: https://brainly.com/question/24349828

#SPJ11

Write a function when a baseball is thrown into the air with an upward velocity of 30 ft/s.

Answers

this function assumes that the baseball is thrown from ground level, and it does not take into account any external factors that may affect the trajectory of the ball (such as air resistance, wind, or spin).

Assuming that air resistance can be ignored, the height (in feet) of a baseball thrown upward with an initial velocity of 30 ft/s at time t (in seconds) can be modeled by the function:

h(t) = 30t - 16t^2

This function represents the position of the baseball above the ground, and it is a quadratic equation with a downward-facing parabolic shape. The initial velocity of 30 ft/s corresponds to the coefficient of the linear term, and the coefficient of the quadratic term (-16) is half the acceleration due to gravity (32 ft/s^2).

To learn more about quadratic equation visit:

brainly.com/question/30098550

#SPJ11

HURRY MY TIMES RUNNING OUT

Answers

Answer:

C

Step-by-step explanation:

Input x 6 = output for each of these numbers

3x6 =18

6x6 =36

11x6 = 66

12x6 = 72

the other options are incorrect. A is divided by 4, B is times 4, and D is divided by 6.

Evaluate the following integral using integration by parts. ∫ t^2 e^-17t dt Use the integration by parts formula so that the new integral is simpler than the original one. Choose the correct answer below. a. -2/17 t^2 e^-17t - ∫ (-1/17t^2 e^-17t) dt
b. -1/17 t^2 e^-17t - ∫ (-2/17t^2 e^-17t) dt
c. -1/17 t^2 e^-17t + ∫ (17t^2 e^-17t) dt
d. 1/17 t^2 e^17t - ∫ (2/17t e^17t) dt

Answers

Thus, the obtained function using the integration by parts:  -1/17 t^2 e^-17t - ∫ (-2/17t^2 e^-17t) dt.

To evaluate the integral ∫ t^2 e^-17t dt using integration by parts, we will use the formula:
∫ u dv = uv - ∫ v du

where u and dv are functions of t that we choose appropriately. Let's choose:

u = t^2   (so that du/dt = 2t)
dv = e^-17t dt   (so that v = (-1/17)e^-17t)

Using these choices, we can find du and v:
du = 2t dt
v = (-1/17)e^-17t

Now, we can apply the integration by parts formula:
∫ t^2 e^-17t dt = t^2 (-1/17)e^-17t - ∫ 2t (-1/17)e^-17t dt

Simplifying this expression, we get:
∫ t^2 e^-17t dt = (-1/17) t^2 e^-17t + (2/17) ∫ te^-17t dt

To evaluate the new integral ∫ te^-17t dt, we will use integration by parts again. This time, we will choose:
u = t   (so that du/dt = 1)
dv = e^-17t dt   (so that v = (-1/17)e^-17t)

Using these choices, we can find du and v:
du = dt
v = (-1/17)e^-17t

Now, we can apply the integration by parts formula again:
∫ te^-17t dt = t (-1/17)e^-17t - ∫ (-1/17)e^-17t dt

Simplifying this expression, we get:
∫ te^-17t dt = (-1/17) te^-17t + (1/289) e^-17t

Substituting this result back into our original expression, we get:
∫ t^2 e^-17t dt = (-1/17) t^2 e^-17t + (2/17) ((-1/17) te^-17t + (1/289) e^-17t))

Simplifying this expression, we get:
∫ t^2 e^-17t dt = (-1/17) t^2 e^-17t - (2/289) te^-17t - (2/4913) e^-17t

Therefore, the correct answer is (b): -1/17 t^2 e^-17t - ∫ (-2/17t^2 e^-17t) dt.

Know more about the integration by parts

https://brainly.com/question/30215870

#SPJ11

By following the method, we think about communicating by reviewing the possible things (both general and specific) that might be said. Select one: O a. Free-form O b.Inverse. O c. Cyclical O d. Linear. O e. Topical

Answers

In the topical method, we focus on discussing different topics or subjects by considering various aspects and details related to them. This approach allows us to think about and communicate more effectively by addressing both general and specific points that might be relevant to the conversation.

The method of communication that involves reviewing possible things (both general and specific) that might be said. The correct answer is: e. Topical.

The method described in the question is a form of "topical" communication. This approach involves considering different topics or subjects that may need to be discussed and organizing thoughts and information around them. By reviewing possible things that may be said on each topic, one can prepare for a more effective and focused communication.

                             This method can be especially helpful in situations where there are multiple topics to cover or when discussing complex information that requires careful organization and planning.

Learn more about "topical" communication

brainly.com/question/29897590

#SPJ11

A rope is used to make a square, with a side length of 5 inches. The same rope is used to make a circle. What is the diameter of the circle?

Answers

To solve the problem of determining the diameter of a circle using the rope that is already used to make a square of side length 5 inches, the first thing is to find out the length of the rope required to make the square.

If x represents the length of the rope required to make the square, then the perimeter of the square would be 4 * 5 = 20 inches since it has four sides of equal length. Hence, 20 inches = x inches. The formula for the circumference of a circle is C = 2πr, where C is the circumference, π is a mathematical constant with a value of approximately 3.14, and r is the radius of the circle.

Since the rope's length was used to make the square, it can also be used to make the circle by bending it into the shape of a circle. The formula for the circumference of a circle is 2πr, where r is the radius. Since the diameter of a circle is twice the radius, the formula for the diameter of a circle can be obtained by multiplying the radius by 2. If the length of the rope required to make the circle is y, then we can write: C = 2πr = y inches. Since the length of the rope used to make the square is equal to 20 inches and the circumference of the circle is equal to the length of the rope, we can write: y = 20Therefore, 2πr = 20 inches Dividing both sides of the equation by 2π, we get:r = 20 / 2π = 3.18 inches. To get the diameter of the circle, we multiply the radius by 2, therefore: diameter = 2r = 2 * 3.18 = 6.36 inches. The diameter of the circle is 6.36 inches.

Know more about diameter of a circle here:

https://brainly.com/question/1448361

#SPJ11

The nth term test can be used to determine divergence for each of the following series except A arctann n=1 B 61 с n(n+3) = (n + 4) D Inn n=1 

Answers

The nth term test, also known as the Test for Divergence, is a useful tool for determining the divergence of a given series. All of the given series - A) arctan(n), B) 61, C) n(n+3)/(n+4), and D) ln(n) - diverge according to the nth term test.

In order to use this test, you should analyze the limit of the sequence's terms as n approaches infinity. If the limit is not zero, then the series diverges.
For each of the series provided, let's apply the nth term test:
A) arctan(n), n=1 to infinity:
The limit as n approaches infinity of arctan(n) is π/2, which is not zero. Therefore, the series diverges.
B) 61:
Since the series consists of a constant term, the limit as n approaches infinity is 61, which is not zero. Therefore, the series diverges.
C) n(n+3)/(n+4), n=1 to infinity:
As n approaches infinity, the limit of n(n+3)/(n+4) is 1, which is not zero. Therefore, the series diverges.
D) ln(n), n=1 to infinity:
The limit as n approaches infinity of ln(n) is infinity, which is not zero. Therefore, the series diverges.
In conclusion, all of the given series - A) arctan(n), B) 61, C) n(n+3)/(n+4), and D) ln(n) - diverge according to the nth term test.

To know more about Test for Divergence visit:
https://brainly.com/question/30098029
#SPJ11

Other Questions
According the authors, how do you practice the ethical use of language? Demonstrate your knowledge of preparing an adjusted trial balance by selecting the correct statement below. The emergency department (ed) leadership is unhappy with the laboratory's turnaround time for their troponin orders. which action should the laboratory take? How to prevent musculoskeletal complications with leuprolide? Which is more precise164 or 165 if the true value is 167 mention any four ways people can mishandle money which rule states that when two outcomes are independent, the probability that these outcomes occur together is the product of their probabilities Which fact should an individual consider when choosing a channel of communication? What effect does thenational media most likelyhave on the politicalagenda? How many 2 digit numbers are the product of two different primes CH (g) + 5O (g) --> 3CO (g) + 4HO (l) would be best classified as which type of reaction?precipitationacid-basecombustionsingle displacement i need this solved asap please do so Name the figure below in two different ways!Need help fast! Which of the following relationships shows the theme of revenge in The Tempest?A. Ariel and ProsperoB. Caliban and ProsperoC. Ferdinand and ProsperoD. Ferdinand and Miranda Which term refers to the close in which the salesperson discounts the offer or improves the terms when the buyer rejects the first attempt to close? Cindy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest.Cindys average speed for the entire run is meters per minute. One kilometer is the same as 1,000 meters. Through how many radians does the minute hand of a clock turn during a 3-minute period? Read the following excerpt from "Preludes" by T. S. Eliot:The winter evening settles downWith smell of steaks in passageways.Six o'clock.The burnt-out ends of smoky days.And now a gusty shower wrapsThe grimy scrapsOf withered leaves about your feetAnd newspapers from vacant lots;The showers beat-On broken blinds and chimney-pots,And at the corner of the streetA lonely cab-horse steams and stamps.And then the lighting of the lamps.Which statement best explains how the poet's use of figurative language inthis excerpt conveys the tone?OA. The speaker conveys a sense of disgust by using sensory detailsto portray a grimy city scene.OB. The speaker conveys that the city is beautiful by using sensorydetails to portray a pleasant scene. Ravi shankar is a classical indial musician who (have) huge success over many decades. Two people can paint a house in 14 hours. Working individually one of the people takes 2 hours more than it takes the other person to paint the house. How long would it take each person working individually to paint the house?( You are supposed to get a quadratic equation and then solve that, but I don't know how to get to it.)