how do u solve this? what’s the answer?

How Do U Solve This? Whats The Answer?

Answers

Answer 1

The functions that have the properties are (d) I and II only

How to determine the functions?

The function property is given as:

[tex]a(x) = a^{-1}(x)[/tex]

The above implies that the inverse function and the original function are equal.

From the list of options, we have:

(a) y = x

Make x the subject

x = y --- the same as the  original function

(b) y = 1/x

Make x the subject

x = 1/y --- the same as the  original function

Hence, the functions that have the properties are (d) I and II only

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Related Questions

6. Ali and Steve share some sweets in the ratio 2:7
Steve gets 30 more sweets than Ali.
Work out how many sweets Steve gets.

Answers

The required amount of sweets Steve will get is 42.

What is the Ratio?

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

here,
Ali and Steve share some sweets in a ratio of 2:7 Steve gets 30 more sweets than Ali.

Let the amount of sweet Ali and steve be x and y,
According to the question,
x / y = 2/7

x = 2y/7 - - - - (1)

And

y = 30 + x

From equation 1
y = 30 + 2y / 7
5y = 30 × 7
y = 42

Now,
x = 2 × 42 /7
x = 12

Thus, the required amount of sweets Steve will get is 42.

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Can someone solve this please I really need the answer and your help

Answers

The cost of Adult ticket is $ 4 and Cost of Children ticket is $ 3.

What is System of Linear Equation ?

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, whereas B is a constant. A linear equation with two variables has the standard form Ax + By = C. Here, the variables x and y, the coefficients A and B, and the constant C are all present.

A linear equation is one that has a degree of 1 as its maximum value. No variable in a linear equation, thus, has an exponent greater than 1. A linear equation's graph will always be a straight line.

A linear equation is an algebraic equation in which each term has an exponent of 1, and which, when plotted on a graph, always yields a straight line. It is called a "linear equation" for this reason.

The cost of adult ticket be x and child ticket be y respectively.

Now as per sum ,

(i) 5x + 13y = 59 and,

(ii) 5x + 9y = 47

Subtracting equation (ii) from (i) we get,

13y - 9y = 59 - 47

⇒ 4y = 12

⇒ y = 3

putting y = 3 in equation (ii) we get

5x + 9*3 = 47      ⇒ x = 20/5 = 4

The cost of Adult ticket is $ 4 and Cost of Children ticket is $ 3.

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Jaylen ha a fun-ize bag SweetTart. Inide the bag are 4 pink, 1 blue, 2 yellow, 3 purple and 2 green SweetTart. What i the probability of drawing a yellow SweetTart three time in a row if each SweetTart elected i eaten before the next SweetTart i drawn?

Answers

The probability of drawing a yellow SweetTart three times in a row is (2/15) x (1/14) x (2/13) = 0.0002692.

1. There are a total of 15 SweetTarts in the bag (4 pink, 1 blue, 2 yellow, 3 purple and 2 green SweetTarts).

2. The probability of drawing a yellow SweetTart first is 2/15.

3. The probability of drawing a yellow SweetTart second is 1/14 (since one yellow SweetTart has already been drawn).

4. The probability of drawing a yellow SweetTart third is 2/13 (since two yellow SweetTarts have already been drawn).

5. The overall probability of drawing a yellow SweetTart three times in a row is (2/15) x (1/14) x (2/13) = 0.0002692.

The probability of drawing a yellow SweetTart three times in a row is (2/15) x (1/14) x (2/13) = 0.0002692.

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Mc Graw Hill < 3-8 Slope and Equations of Lines Question 10 of 12 ✓ Question 10 X = D Find the value of x that satisfies the given conditions. Then graph the line on a separate sheet of paper. The line containing (4, -2) and (x,-6) is perpendicular to the line containing (-2,-9) and (3,-4).​

Answers

To solve the problem, we must first find the slope of the line containing (4, -2) and (x, -6). The slope of a line is calculated as the change in y-coordinates divided by the change in x-coordinates, or (y2 - y1) / (x2 - x1). In this case, the slope of the line containing (4, -2) and (x, -6) is (-6 - (-2)) / (x - 4) = -4 / (x - 4)

Since the line containing (4, -2) and (x,-6) is perpendicular to the line containing (-2,-9) and (3,-4), we know that the product of the slopes of these two lines is -1. We can use that information to find the slope of the second line: -1 = (-4 / (x - 4)) * m, where m is the slope of the second line. Solving for m, we get m = -1 / (-4 / (x - 4)) = (x - 4) / 4.

We can now use the point-slope form of a linear equation to find the equation of the line containing (-2,-9) and (3,-4). The point-slope form is y - y1 = m(x - x1). In this case, we can use (-2,-9) as (x1, y1) and (x - 4) / 4 as m:

y - (-9) = (x - 4) / 4 * (x + 2)

Simplifying we get y = (x-4)/4 + (-9) = (x-4)/4 - 9

Now we can substitute x = -2 and y = -9 to check if it belongs to this line:

-9 = (-2 - 4)/4 - 9

-9 = -2/4 - 9

-9 = -0.5 - 9

-9 = -9.5

It match so this line is the correct one.

The value of x that satisfies the given conditions is x = -2

You can graph this line on a separate sheet of paper by plotting the point (-2, -9) and using the slope (x-4)/4 to find additional points on the line.

How do you find the values of a function?

Answers

f(x)=mx+b. The function's value is f(x). The line's slope is m. When x is equal to 0, the function's value is equal to b.

what is function ?

The subject of mathematics includes quantities and their variations, equations and related structures, forms and their locations, and places where they can be found. The term "function" refers to the relationship between a set of inputs, each of which has an associated output. A relationship between inputs and outputs in which each input leads to a single, distinct result is known as a function.  Usually, f is used to denote functions (x). input is an x. There are four main types of functions accessible. based on the following factors: on functions, one-to-one functions, many-to-one functions, within functions, and on functions.

iven

f(x)=mx+b. The function's value is f(x). The line's slope is m.

When x is equal to 0, the function's value is equal to b, which is also the coordinate at where the line in the coordinate plane crosses the y-axis.

The x-value coordinate's is given by x.

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Sarah made baket on ome of her hot in a baketball game. If he continue to make baket at the ame rate, how many baket will Sarah make in her next 6 hot

Answers

Sarah will make 6 baskets in her next 6 shots.

If Sarah made a basket on one of her first shots in a basketball game, and she continues to make baskets at the same rate, we can use that information to predict the number of baskets she will make in her next 6 shots.

Since we know that Sarah made a basket on one of her first shots, we can assume that the probability of her making a basket on any given shot is 1/1 or 100%.

If the probability of Sarah making a basket on any given shot is 100%, then we can expect her to make a basket on all 6 of her next shots. Therefore, Sarah will make 6 baskets in her next 6 shots.

Therefore, Sarah will make 6 baskets in her next 6 shots.

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Function or not a function?

Answers

Function has one y for one x. if you pass line through x = 7 it cuts graph on different values of y

it is not function

This is definitely not a function

What are the 3 root types?

Answers

Answer:

Irrational, Rational, and Complex Roots

Step-by-step explanation:

Irrational roots cannot be written as a fraction, for example, √2 is an irrational root because 2 is not a square number

Rational roots can be written as a fraction. For example, √4 is a rational root because it can be either -2 or 2 which are both rational.

Complex/imaginary roots take the form of [tex]a+bi[/tex] where "a" is the real part and "b" is the imaginary part. For example, √(-1) = i which is complex/imaginary.

what’s the coefficient of 8y

Answers

Answer:

8

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

You intend to draw a random sample of size n = 580 from a population whose parameter is p = 0.31 What is the mean of the distribution of sample proportions?
μ ˆ p =
What is the standard deviation of the distribution of sample proportions? (Report answer accurate to 2 decimal places.)
σ ˆ p =

Answers

The mean of the distribution of sample proportions is 179.8 and the standard deviation is 0.019

What is sampling distribution of proportion?

The sample distribution of the proportions is used to measure the proportion with which success is achieved. The chance of an event taking place is the proportion computed by dividing the number of successes by the size of the sample.

Given that, You intend to draw a random sample of size n = 580 from a population whose parameter is p = 0.31, we are asked to find the mean of the distribution of sample proportions and standard deviation of the distribution of sample proportions.

Under the sampling distribution of the proportions, the mean and standard deviation are calculated by :

a) The mean is given as ;

μ = nP

Where, n is the sample size

P is the population proportion

Therefore,

μ = 580(0.31)

μ = 179.8

b) The standard deviation is given as follows :

δ = [tex]\sqrt{\frac{P(1-P)}{n} }[/tex]

δ = [tex]\sqrt{\frac{0.31(1-0.31)}{580} }[/tex]

δ = 0.019

Hence, the mean of the distribution of sample proportions is 179.8 and the standard deviation is 0.019

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What's the quotient in division?

Answers

The quotient is the number that is generated when we perform division operations on two numbers, and the result of the division is called the quotient.

There are four main terminologies used in the arithmetic division such as divisor, dividend, quotient, and remainder.

The number is divided by another number to get a different number as an output.

Dividend = Quotient × Divisor + Remainder

If the remainder is equal to 0, then;

Dividend = Quotient × Divisor

Therefore,

Quotient = Dividend ÷ Divisor

Dividend: The number which is required to be divided

Divisor: The number which divides the given dividend

Remainder: The number which is left after the division method. When a number is completely divided then the remainder is zero.

Consider an example 25/5=5-----quotient.

where 25 is the dividend

5 is the divisor.

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If a man work for 8 hour a day, he can finih a job in 12 day. How many hour per day mut he work to complete it in 10 day?

Answers

He must work for 10 hours a day to complete the job in 10 days. 10 hours per day is the optimal amount of time to finish the job in 10 days

1. Begin by setting up an equation. Let x be the number of hours worked.

2. 8 hours x 12 days = 96 hours

3. We want to finish the job in 10 days, so 10x = 96

4. Solve for x. 10x = 96, x = 9.6

5. Since we can't work partial hours, round up to 10 hours. Therefore, the man must work 10 hours a day to complete the job in 10 days.

To finish the job in 10 days, the man must work for a total of 100 hours. This means he must work for 10 hours a day to complete the job in the allotted time. Working 8 hours a day would take 12 days, and working 9 hours a day would take 11.11 days. Therefore, 10 hours per day is the optimal amount of time to finish the job in 10 days.

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A drama club is building a wooden stage in the shape of a trapezoidal prism. The height of the
stage is 2 feet. Some measurements of the stage are shown here. What is the area of all the
faces of the stage, excluding the bottom? Show your reasoning. If you get stuck, consider
drawing a net of the prism.

Answers

Two triangles will be better than one half times five times thirteen. We'll also have a single rectangular piece. It measures 12 by 10. 20 times 2 equals 40. 13 divided by 2 divided by 2 is equal to 4. I am capable of 44 times two times two. 13 is 52 One is equal to 10 x 2 x 1/2. 12 times 10 is 120, and 5 times 13 is 65. Consequently, the area is 297 square feet (40 plus 52 plus 20 plus 65 plus 120).

What is prism?A prism is a solid shape that is bound on all its sides by plane faces. There are two types of faces in a prism. The top and bottom faces are identical and are called bases. A prism is named after the shape of these bases. For example, if a prism has a triangular base it is called a triangular prism.The faces other than the top and bottom of a prism are called its lateral faces. All the lateral faces are also identical to each other and belong to the class of parallelograms. This means that the lateral faces can either be parallelograms, rectangles, or even squares since all of them have their opposite sides parallel to each other. One of the most common examples of a prism is a cuboid. It has a rectangular base and is called a rectangular prism.

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Answer: 297 ft.2

Step-by-step explanation:

x + 4.25=7.50 what is the value on the x in the equation?

Answers

Answer:

x = 3.25

Step-by-step explanation:

Answer:

Just subtract the answer to what your adding:

7.50 - 4.25 = 3.25

Step-by-step explanation:

Hope it helps! =D

The number of feet in a yard can be represented by a graph. Circle the graphs) that could
be used to represent the number of feet, y, in x yards.

Answers

Answer: graph a and d

Step-by-step explanation:

What is exponential form examples?

Answers

Exponential form is a way of representing repeated multiplications of the same number by writing the number as a base with the number of repeats written as a small number to its upper right.

In the exponential form, the exponent indicates the number of times the base is used as a factor.

For example, in the case of 16 it can be written as 2 × 2 × 2 × 2  = [tex]2^{4}[/tex], where 2 is the “base” and 4 is the “exponent.

A product in which the factors are identical is called a power of that factor.  The number that is repeated is called the base, and the number of times it repeats is called the exponent, power or degree. And the power that is written on the right upper side are called exponents. when multiplying the numbers having same base and different exponents then the base is kept same and the exponents are added.

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How do you find the factor of a remainder theorem?

Answers

The Remainder Theorem states that if a polynomial P(x) is divided by (x - c), the remainder is P(c). To find the factor of a polynomial using the Remainder Theorem, you can use the following steps:

Start by assuming that the polynomial can be factored into (x - c) and some other polynomial Q(x).Divide P(x) by (x - c) using polynomial long division, and find the remainder R(x).Use the Remainder Theorem to set P(c) = R(c) = 0.Solve for c to find the value that makes P(c) = 0.Use the value of c found in step 4 to factor (x - c) out of P(x).Repeat the process with the remaining polynomial Q(x) until the polynomial is completely factored in.

Example:

P(x) = x^3 + 3x^2 + 2x -6

Factor = (x-2)

P(2) = 8 + 12 + 4 - 6 = 0

So, the factor of P(x) is (x-2)

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Solve for the missing variable. Round to the nearest hundredth.
X
8
20

Answers

Answer:

656

Step-by-step explanation:

Calculate the monthly payment for a loan of $7,500 with an 11% interest rate compounded monthly over a period of 5 years. a. $128.46 b. $163.07 c. $858.18 d. $1541.50 please select the best answer from the choices provided a b c d

Answers

Option b is correct monthly payment = $163.07

A loan of $7,500 with an 11% interest rate compounded monthly over a time period of 5 years.

Monthly Payment = Amount / Discount factor

Discount factor [tex]D = \frac{1-(1+i)^{n} }{i}[/tex]

where,

Amount = $7500

Rate= 11%=0.11

[tex]i = \frac{0.11}{12} = 0.0091[/tex] ( by using division)

Time = 5 years

Time (n) = 5 × 12 = 60

Now, put i and n in the Discount factor,

[tex]D = \frac{1-(1+i)^{n} }{i}[/tex]

[tex]D = \frac{1-(1+0.009)^{-60} }{0.009}[/tex]

[tex]D = \frac{1-(1.009)^{-60} }{0.009}[/tex]

[tex]D = \frac{0.421 }{0.009}[/tex]

D = 46.77

Monthly payment (M),

[tex]M = \frac{Amount}{Discout factor} = \frac{A}{D}[/tex]

[tex]M = \frac{7500}{46.77}[/tex] ( by using division)

Monthly payment = 163.07

Therefore, Option b is the correct monthly payment = $163.07.

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Combine like terms to create an equivalent expression. 1.3 b 7.8 − 3.2 b

Answers

The equivalent expression is  -1.9b + 7.8.

What is an equivalent phrase?

There is a concept known as an analogous expression, which is an expression that has the same value as another expression but has a different appearance.

Expressions that are equivalent do the same thing even when they have distinct appearances. When we enter the same value for the variable, two algebraic expressions that are equivalent have the same value.

Combine similar phrases now:

The definition of like words is the terms that have the same variable raised to the same power. Only the numerical coefficients can change in algebra.

When we combine the term b's coefficient, we get

1.3b + 7.8–3.2b

= (1.3−3.2)⋅b + 7.8

By condensing the equation, we obtain

= (- 1.9) +b + 7.8

= −1.9b + 7.8

There is a condensed equivalent formula of -1.9b + 7.8.

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Help, I need to answer this question

Answers

Answer:

Step-by-step explanation:

factors of 8

Answer:

F- of a 8* i think

Step-by-step explanation:

The package of tissues has 180 pieces of tissues. We know that 10% of tissues are blue, 25% of the package are pink tissues, and the rest are white. How many pieces were blue and how many were pink tissue in the package?​

Answers

180 - 10% = 18
18 are blue

180 - 25% = 45

45 are pink

What would be the order of these quadratic functions when they are
arranged from the narrowest graph to the widest graph?
f(x) = -5x²
g(x) = 0.5x²
h(x) = 3x²
(1) f(x), g(x), h(x)
(2) g(x), h(x), f(x)
(3) h(x), f(x), g(x)
(4) f(x), h(x), g(x)

please help ASAP

Answers

Therefore , the solution to the given problem of function comes out to be f(x)=0.5x² is the narrowest graph.

What does the word function mean?

A relationship that explains how two variables relate to one another is represented by the word "functions," which is frequently used in mathematics. There are three: a variable, which can be any type of input, and predictor variables, which are the results of the function or equation.

Here,

A quadratic function's "width" can be calculated using the coefficient before the variable.

The graph will be narrower than the parent graph if the coefficient is more than one (f(x)=x2), and

wider if the coefficient is less than one. Thus, from widest to narrowest:

f(x)=0.5x²

f(x)=3x²

f(x)=-5x²

Therefore , the solution to the given problem of function comes out to be f(x)=0.5x² is the narrowest graph.

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40-32 dived by 8+5-2

Answers

40-32 / 8+5-2
8 / 11
=0.72 or stay 8/11

I really need help besties what is 67=-7x-10

Answers

Answer:

x = 11

Step-by-step explanation:

We'll have to get X alone by doing the opposite of what the current equation is showing

67 = 7x-10. I usually turn the numbers around cause it looks better...

7x-10 = 67

We see it's subtracting 10, so we'll add 10 on both sides

7x = 67 + 10

7x = 77

Since 7x is being multiplied, we'll divide on both sides

x = 77/7

x = 11

Answer: -11

Step-by-step explanation:

rearrange it so it's -7x-10=67

add 10 to itself and 67

then you get -7x=77

then divide 77 by -7

and you get -11

i hope this was right :)

How do you factor a polynomial with 3 factors?

Answers

Step 1: Group the first two terms together, followed by the last two terms. Step 2: Extract a GCF from each binomial separately. Step 3: Remove the common binomial. It's worth noting that if we multiply our answer by itself, we get the original polynomial.

What is polynomial?

A polynomial is an expression in mathematics that consists of variables (also known as indeterminates) and coefficients and includes only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. Step 1: Combine the first two terms, then the last two terms. Step 2: Separately extract a GCF from each binomial. Step 3: Get rid of the common binomial. It's worth noticing that dividing our solution by itself yields the original polynomial. A polynomial is an equation made up of variables, constants, and exponents that are mixed using mathematical operations including addition, subtraction, multiplication, and division (No division operation by a variable).

Here,

Step 1: Combine the first two terms, then the last two terms. Step 2: Separately extract a GCF from each binomial. Step 3: Get rid of the common binomial. It's worth noticing that dividing our solution by itself yields the original polynomial.

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The quotient of five times x and fifteen

Answers

Answer:

the answer to your question is 3.

A rental car company charge $50 per day to rent a car and $0. 15 for every mile driven. Mei Mei want to rent a car, knowing that:
She plan to drive 100 mile. She ha at mot $130 to pend. Write and olve an inequality which can be ued to determine xx, the number of day Mei Mei can afford to rent while taying within her budget

Answers

A rental car company charge $50 per day to rent a car and $0. 15 for every mile driven, then the inequality for the number of days will be represented as x ≤ 2.21 days.

Define Inequality :

It is referred to as being unfair when two terms are joined by a sign like "not equal to," "more than," or "less than." The inequality illustrates the relationship between variables and numbers in terms of greater than and less than.

In mathematics, a relationship between two expressions or values that are not equal to each other is called 'inequality'. So, a lack of balance results in inequality.

Given that a rental car company charges $50 per day to rent a car and $0.15 for every mile driven.

The equation of inequality will be written as,

C ≥ [tex]0.15m + 50x[/tex]    

Here, C is the total cost, m is the number of miles, and x is the number of days.

C ≥ [tex]0.15m + 50x[/tex]    

C ≥ ( [tex]0.15*100[/tex] ) + [tex]50x[/tex]

130 ≥ 19.5 + [tex]50x[/tex]

130 - 19.5 ≥ [tex]50x[/tex]

[tex]50x[/tex] ≤ 110.5

x ≤ 110.5 / 50

x ≤ 2.21 days

Therefore,

A rental car company charge $50 per day to rent a car and $0. 15 for every mile driven, then the inequality for the number of days will be represented as x ≤ 2.21 days.

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Please help me with this.

Answers

The required dimensions of the dilated kitchen is 8.5 inch by 13.09.

What is scale factor?

The scale factor is defined as the ratio of modified change in length to original length.

Here,
Current dimension of the graph = 8.5 inch by 11 inch
Final dimension of the graph = 24 inch by 36 inch

Now,
Dilated dimension of the kitchen
Length = 24 / 8.5 × 3 = 8.5 inch

Width = 36/11 × 4 = 13.09

Thus, the required dimensions of the dilated kitchen is 8.5 inch by 13.09.

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URGENT HELP! PICTURES ATTACHED.

Answers

The perimeter of the rectangle, given that the rectangle has an area of 40 ft² and a length of 8 ft is 26 ft

How do I determine the perimeter of the rectangle?

We'll begin by obtaining the width of the rectangle. The width of the rectangle can be obtained as follow:

Area = 40 ft²Length = 8 ftWidth =?

Area = Length × Width

40 = 8 × Width

Divide both sides by 8

Width = 40 / 8

Width = 5 ft

Finally, we shall determine the perimeter of the rectangle. Details below:

Length = 8 ftWidth = 5 ft Perimeter =?

Perimeter = 2(Lenght + Width)

Perimeter = 2(8 + 5)

Perimeter = 2(13)

Perimeter = 26 ft

Thus, we can conclude that the perimeter is 26 ft

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are u having a good day yes or no and why? How do I find this out HELP HELP PLEASE Two spheres are moving towards each other. Which of the following is thebest evidence that the spheres have transferred energy from one to the other? A.The friction of the surface decreasesB.Gravity is always acting on the spheresC.The motion of the sphere changes OrD.Both of the spheres have the same mass What are the answers? im not sure how to solve this. if MJ is in grade 8, then he is 14 years old. The circle below represents one whole.What percent is represented by the shaded area?% A triangle with vertices (0,0), (3,6), (7,4) is dilated by a factor of 3 with its center at the origin. Who was the leader of the war hawks for the southern states, advocating going to war with Britain in 1812. When I subtract 14 from it,the result is 13 more than 20.what is the number? : Santiago realiz los siguientes movimientos en su Cuenta bancaria: el lunes consign $300.000, el martes retir $120.000, el mircoles retir $95.000 Y el jueves consign $80.000. Cmo se representan matemticamente los movimientos bancarios de Santiago? At the school carnival, Jade has a game booth with a spinner. The banner at her booth reads "20% chance of winning!" What is the chance that a player may not win? (5 points) Group of answer choices 90% 50% 80% 40% How does WW1 affect Americas position in the world after the fighting? What was the Liberator?a pro-slavery newspaperan abolitionist newspapera religious newspapera womens rights newspaper The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. f(x) = -4 cual es su grafica Darius is putting tiles on the roof of his house. After working for 3 1/3 hours, he has completed 4/5 of the roof. Can Darius put the titles on the enitre roof in 4 hours if he continues to work at the same rate? A company find that 4 1/4 % of the tyres are defective. The company made 28,000 tyres. How many tyres were defective?(4 whole, 1 as nominator and 4 as dominator)No need to explain, just give answer. Sister chromatids are ____.. Single choice.A.dense patches within the nucleusB.bacterial chromosomesC.joined strands of duplicated genetic materialD.prokaryotic nucleiOption 2Please hellppppp! Which Article of the U.S. Constitution statesthat the Constitution has to be approved bynine of the original thirteen states in orderfor it to be ratified? 3. CONSTRUCTION A rectangular deck is builtaround a square pool. The pool has side length s. Thelength of the deck is 5 units longer than twice the sidelength of the pool. The width of the deck is 3 unitslonger than the side length of the pool. What is thearea of the deck in terms of s?Did I do this right or was I supposed to leave it as a trinomial?