a. The subject lies about past illegal drug use: This is a source of nonsampling error, as it is not related to the process of selecting a sample from a population. Rather, it is an error that arises from the behavior or characteristics of the individual being sampled.
b. A typing error is made in recording the data: This is a source of nonsampling error, as it is a mistake that occurs during the process of recording or processing the data, and is not related to the sample selection process.
c. Data are gathered by asking people to go to a website and answer questions online: This is a source of sampling error, as it can potentially lead to a biased sample. Only people who have access to the internet and are willing to answer questions online will be included in the sample, which may not be representative of the population as a whole. This type of bias is known as "self-selection bias" and is a common problem with online surveys.
Suppose the newspaper states that the probability of rain today is 25%. What is the probability of the complement? (Enter your answer to two decimal places.) Enter a number.
Answer:
The probability of the complement (no rain) is 0.75 or 75%.
Step-by-step explanation:
The complement of an event A is the probability of A not occurring, which is equal to 1 - P(A).
Given that the probability of rain today is 25%, the probability of no rain (the complement of rain) is:
P(no rain) = 1 - P(rain)
P(no rain) = 1 - 0.25
P(no rain) = 0.75
Therefore, the probability of the complement (no rain) is 0.75 or 75%.
A total of N balls are put in two urns, so that initially urn A has i balls and urn B has N - i balls. At each step, one ball is chosen at random from the N balls If it is from urn A, it is moved to urn B, and vice versa. Let Xn be the number of balls in urn A after n steps. Show that {Xn, n > 0) is a DTMC, assuming that the successive random drawings of the balls are independent. Display the transition probability matrix of the DTMC.
We have shown that {Xn, n > 0) is a DTMC, assuming that the successive random drawings of the balls are independent by using the Memoryless property and Time-independent transition probabilities.
(1) Memoryless property:
Suppose we are at time n and know that Xn = i.
To determine the probability of moving to state j at time n+1, we only need to know the number of balls in urn A at time n and the number of balls that are drawn at time n+1.
The past history of the chain before time n is irrelevant. Therefore, the Markov chain has a memoryless property.
(2) Time-independent transition probabilities:
To calculate the transition probability from state i to state j, we need to consider the possible ways in which the number of balls in urn A can change from i to j. The transition probability from state i to state j is given by:
P(i,j) = P(Xn+1 = j | Xn = i) = P(Xn+1 = j | Xn = i, ball drawn from urn A) * P(ball drawn from urn A) + P(Xn+1 = j | Xn = i, ball drawn from urn B) * P(ball drawn from urn B)
= P(Xn+1 = j-1 | Xn = i, ball drawn from urn A) * (i/N) + P(Xn+1 = j+1 | Xn = i, ball drawn from urn B) * ((N-i)/N)
= (i-1)/(N-1) * (i/N) + (N-i-1)/(N-1) * ((N-i)/N)
= (i-1)(N-i)/N(N-1) + (N-i-1)i/N(N-1)
Therefore, the transition probability matrix is given by:
P = [P(i,j)] =
[(N-2)/N(N-1) 2/N(N-1) 0 0 ... 0]
[(N-3)/(N-1)(N-2) (N-1)/(N-1)(N-2) 2/N(N-2) 0 ... 0]
[0 (N-4)/(N-2)(N-3) (N-2)/(N-2)(N-3) 3/N(N-3) ... 0]
[0 0 (N-5)/(N-3)(N-4) (N-3)/(N-3)(N-4) ... 0]
[ ........................................... ]
[ 0 0 ... 0 2/N(N-1) (N-2)/N(N-1)]
Therefore, we have shown that {Xn, n > 0} is a DTMC with the transition probability matrix given by P.
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Determine whether the following arguments are best interpreted as being inductive or deductive. Also state the criteria you use in reaching your decision (i.e., the presence of indicator words, the nature of the inferential link between premises and conclusion, or the character or form of argumentation).
The graphical method for solving a system of equations is an approximation, since reading the point of intersection depends on the accuracy with which the lines are drawn and on the ability to interpret the coordinates of the point.
(Karl J. Smith and Patrick J. Boyle, Intermediate Algebrafor College Students)
An argument from definition is one in which the conclusion is determined by a single word or definition. As a result, the argument is deductive and definition-based.
Deductive arguments are those that are certain, whereas inductive arguments are those that are likely.
The argument is deductive if the arguer believes that the truth of the premises absolutely establishes the truth of the conclusion. The argument is inductive if the arguer believes that the truth of the premises provides only good reasons to believe the conclusion is probably true.
Endogenous means originating from within.
The conclusion (cholesterol is manufactured within the human body) follows logically from the premises (Cholesterol is endogenous with humans).
The conclusion is claimed here on the word endogenous.
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The complete question is:
Determine whether the following arguments are best interpreted as being inductive or deductive. Also state the criteria you use in reaching your decision (i.e., the presence of indicator words, the nature of the inferential link between premises and conclusion, or the character or form of argumentation).
Cholesterol is endogenous with humans. Therefore, it is manufactured inside the human body.
the two types of outputs that are generated with data created during a business event are reports and___
visualizations. Reports provide written summaries of the event data, while visualizations use charts, graphs, and maps to illustrate and interpret the data.
Reports and visualizations are two common types of outputs generated from data collected during a business event. Reports provide a written summary of the event data, detailing what happened and any relevant information. This could include statistics, trends, and insights into the event. Visualizations use charts, graphs, and maps to make the data easier to interpret and gain insights from. Visualizations can provide a more comprehensive picture of the event data, allowing users to more easily identify patterns and trends. Reports and visualizations are both useful outputs of data collected during a business event, providing different perspectives on the data and helping to draw meaningful conclusions.
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uestion
Estimate √283 between two consecutive whole numbers.
Answer: The square root of 283 lies between the square roots of 256 and 324, which are 16 and 18, respectively. Therefore, an estimate for the square root of 283 is between 16 and 18, and we can round to the nearest whole number, which is 16.
Step-by-step explanation:
The Orlando Magic play 82 games during the 2021-2022 season. They only won 22 games.
How many games did they lose?
What percent of games did they lose? % (Round to the nearest whOle number)
Answer: 73% games were lost.
If they played 82 games and only won 22 this means that 60 was lost.
82-22=60. To find the percent that they lost, we divide 60 into 82.
60//82 is 0.731707317. We must round to the nearest whole, which means our percent will be 73%.
This means that the Orlando Magic lost 73% of the games they played in the 2021-2022 season.
I hope this helped & Good Luck <3!!
Fourier Transform and its Inverse
Could anyone show me how to prove the following results about Fourier Transform, please? It is stated in my book without proof. Thank you.
Let F
denote the Fourier linear operator and f
be a L1(R)
function. Then
F2(f)=f(−x).
That is, if we apply the Fourier transform twice, we get a spatially reversed version of the function.
To prove that F2(f) = f(-x), we can use the definition of the Fourier Transform.
Which is,
F{f(t)} = ∫ f(t) e^(-jwt) dt
Using this definition, we can find the Fourier Transform of F{f(t)}:
F{F{f(t)}} = ∫ F{f(t)} e^(-jwt) dt
= ∫ (∫ f(u) e^(-jvu) du) e^(-jwt) dt
= ∫ f(u) (∫ e^(-jvu) e^(-jwt) dt) du
The inner integral can be simplified as follows:
∫ e^(-jvu) e^(-jwt) dt = ∫ e^(-j(uv+w)t) dt
= δ(vw+u)
where δ is the Dirac delta function. This integral evaluates to 1 when v*w+u=0 and 0 otherwise. Thus, we can simplify the expression for F{F{f(t)}}:
F{F{f(t)}} = ∫ f(u) δ(v*w+u) du
= f(-v) (using the property of the Dirac delta function)
Note that we have substituted v for -w to make the result more readable.
Therefore, we have shown that F{F{f(t)}} = f(-v). Since F2(f) = F{F{f(t)}}, we can conclude that F2(f) = f(-x), as required.
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Look at the image below to figure out the problem
I will give brainiest to the correct answer and giving 15 points away
Answer:
54 cups
Step-by-step explanation:
2/9=12/?
12/2=6
6*9=54
Calculate the magnitude of the resultant of the pair of 100km/h velocity vectors that are at right angles to each other?
The magnitude of the resultant of the two velocity vectors that are at right angles to each other is approximately 141.42 km/h.
we can use the Pythagorean theorem. According to the theorem, the magnitude of the resultant is equal to the square root of the sum of the squares of the magnitudes of the two vectors. we can write:
magnitude of the resultant = sqrt ((magnitude of vector 1) ^2 + (magnitude of vector 2) ^2)
magnitude of the resultant = sqrt ((100 km/h) ^2 + (100 km/h) ^2)
magnitude of the resultant = sqrt (2(100 km/h) ^2)
magnitude of the resultant = sqrt (2) * 100 km/h
Using a calculator, we can evaluate the square root of 2 to get:
magnitude of the resultant ≈ 141.42 km/h
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A rug 4 m wide and 5 m long costs $132. How much would a 3 m by 4 m rug of the same material cost?
Answer:
4m x 5m = 20 sq/m
$132 ÷ 20 sq/m = $6.60 per sq/m
3m x 4m = 12 sq/m
12 sq/m x $6.60 = $79.20
The figure below is made of 2 rectangular prisms. What is the volume of this figure? 10 3 7 6 9
The volume of the figure is 10 x 3 x 7 x 6 x 9 = 15120.
What is volume?Volume is a measure of the amount of three-dimensional space an object occupies. It is measured in cubic units, such as cubic centimeters (cm3) or cubic meters (m3). Volume is an important concept in many areas of science, including physics, chemistry and geology. It can also be used to describe the capacity of a container, such as a bottle, or the amount of liquid it can hold. Knowing the volume of a substance or object is important in many everyday situations, from measuring food portions to calculating the amount of paint needed to cover a wall.
This figure is made up of two rectangular prisms, each of which has a volume of 10 x 3 x 7 x 6 = 1260. When the two rectangular prisms are combined, the total volume of the figure is the sum of the two volumes, or 15120.
The volume of a rectangular prism can be found by multiplying the length, width, and height of the prism. The length, width, and height of the figure above are 10, 3, 7, 6, and 9, respectively. To calculate the volume, simply multiply each of these numbers together. The result is 15120, which is the volume of the figure.
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Right now, Miguel is 9 kilometers into a 36-kilometer race. He is running an average of 18 kilometers every hour.
Miguel finished the 36 km in 1 hour and 30 minutes.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
18 km = 1 hour
9 km = 30 minutes
Now,
Total distance = 36 km
Distance done by Miguel = 9 kilometers
So,
The distance remaining.
= 36 - 9
= 27
Now,
Time taken to run 27 km.
18 km = 1 hour
Multiply 27/18 on both sides.
27 km = 27/18 x 1 hour
27 km = 1.5 hour
Thus,
1 hour and 30 minutes.
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Complete question.
Right now, Miguel is 9 kilometers into a 36-kilometer race. He is running an average of 18 kilometers every hour.
After how many hours Miguel will finish the 36 km.
PLEASE HELP ASAP! Due soon !
The value of f(x) when x = -1 is 6.
The value of f(x) when x = 0 is 7.
The value of f(x) when x =9 is 10
The value of f(x) when x = 81 is 16
How to explain the functionA function simply has to do with the statement that illustrates the variables given. In this case, it is vital to note that two or more components are considered in order to be able to describe the scenario.
The value of f(x) when x = 0 is:
= ✓0 + 7
= 7
.
The value of f(x) when x =9 is:
= ✓9 + 7
= 10
The value of f(x) when x = 81 is:
= ✓81 + 7
= 16
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A
D
In parallelogram
m
(2x +12)
5x°
B
C
ABCD, m
Find the value of X
and of
Answer:
the value of x will be 24degree and angle D will be 120degree
Write the rule for the linear function. Remember a function rule is written using f (x) x 7 5 -1 y 2 3 6
The rule for the linear function is f(x) = (-1/2)x + 11/2
What is an equation of the line?An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.
To write the rule for the linear function, we can start by finding the slope of the line passing through the given points (x, y):
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope= (6 - 2) / (-1 - 7)
Slope= 4 / (-8)
Slope= -1/2
Therefore, the slope of the line passing through these points is -1/2.
Now, we can use the point-slope form of a linear equation to find the equation that represents this relationship:
y - y₁= m(x - x₁)
Where m is the slope and (x1, y1) is any point on the line. Let's use the point (7, 2):
y - 2 = (-1/2)(x - 7)
y - 2 = (-1/2)x + 7/2
y = (-1/2)x + 11/2
Therefore, the rule for the linear function is f(x) = (-1/2)x + 11/2
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The line plot shows the amount of time that Melissa spent last week exercising. What is the difference between the longest time and the shortest time Melissa spent exercising?
Please tell me how you got the answer thank you
i need a quick response
The difference between the longest time and the shortest time Melissa spent exercising (Range) is; 3/4 hours.
What is the range of the given set of data?As evident from the task content; the difference between the longest time and the shortest time Melissa spent exercising, otherwise termed the range is to be determined.
By observation, the longest time = 1 hour while the shortest time = 1/4 hour.
Hence, the difference is; 1 - 1/4 = 3/4 hours.
On this note, the difference as required is; 3/4 hours.
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6 Lola buys 2.5 meters of red fabric for $6.55 per meter. She buys 3.2 meters of
blue fabric for $5.25 per meter. How much money does she spend in all? 21
Round your answer to the nearest cent.
Show your work.
The total money she spent in all is $34.00(nearest cent)
What is word problem?A word problem is a math problem written out as a short story or scenario. Basically, it describes a realistic problem and asks you to imagine how you would solve it using math. If you've ever taken a math class, you've probably solved a word problem.
This word problem are interpreted into mathematical equation.
Lola bought 2.5 meters red for 6.55$ per yard
total for red = 2.5 × 6.55 = $16.4
She bought blue 3.2 meters for 5.25$
total for blue = 3.2 × 5.5 = $17.6
The total money spent = $17.6 + $16.4
= $34.00(nearest cent)
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HELP ME!!!!!!!!!!!!!!!!!!!
Step-by-step explanation:
male mazerment master milkman Monk Mr nephew papa poet who have not
Which of the following table represents a linear function?
Answer: The first one
Step-by-step explanation:
In the first one, x is increasing by a constant rate and y is decreasing by a constant rate which means that it is linear
determine the minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean. assume a population standard deviation of 3.8 in a normally distributed population. group of answer choices 56 59 55 60
The minimum sample size required when you want to be 95% confident that the sample mean is within one unit of the population mean is 56
Given in the question,
Margin of error = 1
Assuming,
Population standard deviation = 3.8
[tex]\alpha[/tex] = 0.5, [tex]\alpha[/tex]/2 = 0.025 so Z[tex]\alpha[/tex]/2 = 1.96
Margin of error can be calculated as
Margin of error = Z[tex]\alpha[/tex]/2*SD/[tex]\sqrt{n}[/tex]
n = (Z[tex]\alpha[/tex]/e*SD/Margin of error)^2 = (1.96*3.8/1) = 55.47 or 56
So its answer is 56 i.e. option A.
Therefore, the minimum sample size is 56.
The sample size is defined as the number of compliances used for determining the estimations of a given population. The size of the sample has been drawn from the population. slice is the process of selection of a subset of individualities from the population to estimate the characteristics of the whole population. The number of realities in a subset of a population is named for analysis.
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Dr. Lawrence attended meetings from 9:00 am to 11:45 am and from 2:15 pm to 4:45 pm. How many hours did he attend meetings? ( write the minutes as a fraction of an hour)
Answer:
4 and 11/12 hour
Step-by-step explanation:
11 hour 45 min - 9 hour = 2 hour 45 minute
4 hour 45 min - 2 hour 15 = 2 hour 30 minute
Total = (2 + 2 hour) + (45 + 30 min)
= 4 hour 55 min
= 4 and (55)/60) hour
= 4 and 11/12 hour
Order angles from smallest to largest then the sides from smallest to largest in the triangle
SSS _,_,_
AAA _,_,_
The angles from smallest to largest are ∠A, ∠C, ∠B and the order of sides from smallest to largest is BC, AB, AC.
What is Triangle?A triangle is a two dimensional figure which consist of three vertices, three edges and three angles.
Sum of the interior angles of a triangle is 180 degrees.
Given a triangle ABC.
The two angles of a triangle is given as 21° and 96°.
∠A = 21° and ∠B = 96°.
We have the fact that, the sum of the interior angles of a triangle is 180 degrees.
So, ∠A + ∠B + ∠C = 180°
21° + 96° + ∠C = 180°
∠C = 63°
The side opposite the smallest angle will be the smallest side.
So, the side opposite ∠A = 21° is BC, which is the smallest side.
The side opposite ∠C = 63° is AB , which is the second largest side.
The side opposite ∠B = 96° is AC, which is the largest side.
Hence the order of angles and side are ∠A, ∠C, ∠B and BC, AB, AC respectively.
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PLEASE HELP WILL GIVE 100 PTS AND BRAINLYEST
Answer:
Reflect Object 1 over the x-axis, and then translate it by -13 along the x-axis.Rotate Object 1 by 180 degrees counterclockwise about the origin, and then translate it by -5 along the x-axis.Step-by-step explanation: Comment if you need a picture. I cannot find a third answer though, are there more choices?
Have a great day! :)
Determine whether the sequence with the given nth term is monotonic and whether it is bounded. Use a graphing utility to confirm your results. an= 8n/ n +6 monotonic and not bounded not monotonic and not bounded O monotonic and bounded O not monotonic and bounded
To determine whether the sequence with the given nth term is monotonic and bounded, we can look at the first derivative of the function.
The nth term an = 8n/(n+6) can be rewritten as an = 8 - 48/(n+6).
Taking the first derivative, we get a'(n) = 48/(n+6)^2, which is always positive for n>0.
This means that the sequence is monotonic increasing.
To determine whether the sequence is bounded, we can take the limit as n approaches infinity.
lim n→∞ an = lim n→∞ 8n/(n+6) = 8
This means that the sequence is bounded above by 8, and since it is increasing, it is also bounded below by its first term a1 = 8/7.
Therefore, the sequence with the nth term an = 8n/(n+6) is monotonic and bounded.
To confirm our results, we can graph the function and see that it is indeed increasing and approaches 8 as n increases.
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Wendy will have new carpet installed on her rectangular bedroom floor. The floor is 15 feet in length and 12 feet in width. The carpet costs $27.50 per square yard, and installation costs $4.15 per square yard. Which statement about the total cost of the carpet and installation is true?
a. The total cost is $379.80 since $31.65×12 = $379.80.
b. The total cost is $633.00 since $31.65×20 = $633.00.
c. The total cost is $474.75 since $31.65×15 = $474.75.
d. The total cost is $4,950.00 since $27.50×180 = $4,950.00
Since $31.65 x 20 = $633, the carpet's total cost includes both installation and delivery.
Describe a yard.
In both the British Imperial and US Customary Systems of Measurement, a yard is a unit of length. It corresponds to 3 feet or 36 inches. Yd is its emblem. Medium-sized object length is frequently measured using it.
How do you convert square yards to area feet?
To get the area value, multiply it by 9. To change the area from square feet to square yards, all you need to do is that. For instance, you must multiply 27 by 9 to convert 27 square feet to square yards.
Floor space is 15 x 12 ft², or 180 ft².
We know that 9ft² is 1 yard
So 180ft2 = 1/9*180 square yard
= 20 square yard
Cost of 1 square yard = carpet cost + installation cost
= $27.50 + $4.15
= $31.65
Cost of 20 square yard = 20 * 31.65
= $633
As a result, Wendy's room's carpet costs $633.
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Tracey paid $180 for an item that was originally priced at $410. What percent of the original price did Tracey pay?
Round your percentage answer to two decimal places. Do NOT include a % symbol with your answer.
56.10 of the original price was paid.
What is a percentage?The percentage means the required value out of 100.
It is calculated by dividing the required value by the total value and multiplying it by 100.
The percentage change is also calculated using the same method.
In percentage change, we find the difference between the values given.
Example:
Required percentage value = a
total value = b
Percentage = a/b x 100
We have,
Original price = $410
Paid price = $180
Now,
The percentage of the original price paid.
= (Original price - Paid price) / Original price x 100
= (410 - 180) / 410 x 100
= 230/410 x 100
= 56.10%
Thus,
56.10 of the original price was paid.
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a coin that comes up heads with probability p is continually flipped until the pattern t, t, h appears. (that is, you stop flipping when the most recent flip lands heads, and the two immediately preceding it lands tails.) let x denote the number of flips made, and find e[x].
A coin that comes up heads with probability p is continually flipped until the pattern t, t, h appears, the expected number of flips needed to obtain the pattern "t, t, h" is 6/p.
We can approach this problem by using the concept of geometric distribution, which models the number of independent and identical Bernoulli trials (coin flips) needed to obtain the first success (in this case, the pattern "t, t, h").
Let X be the random variable representing the number of flips needed to obtain the pattern "t, t, h". The probability of obtaining "t, t, h" on any given three flips is (1-p)(1-p)p, and the probability of not obtaining this pattern on any given three flips is 1 - (1-p)(1-p)p.
Thus, X follows a geometric distribution with parameter p, and its probability mass function is given by:
P(X=k) = (1-p)(1-p)p^(k-3), for k=3, 4, 5, ...
The expected value of a geometric distribution with parameter p is given by 1/p. Therefore, the expected number of flips needed to obtain the pattern "t, t, h" is:
E[X] = 1/p + 2/p + 3/p = (1+2+3)/p = 6/p.
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2. A minor league baseball park has 7000 seats. Box seats cost $6, grandstand seats cost $4, and bleacher seats cost $2. When all seats are sold, the revenue is $26,400. If the number of box seats is one-third the number of bleacher seats, how many seats of each type are there? Give a complete sentence explaining what your answers mean.
a. Clearly define the variables in this problem:
x =
y=
z =
b. Write the equations for this problem.
c. Solve using the Gauss-Jordan method.
If a minor league baseball park has 7000 seats. Box seats cost $6, grandstand seats cost $4, and bleacher seats cost $2. x = 400, y = 5400, z = 1200.
What is the equation?The two equations are
x + y + z = 7000
6x + 4y +2z = 26400
Hence,
1/3z + y + z= 7000
4/3z+ y= 7000
y= 7000 - 4/3z
Substitution
6×1/3z + 4×(7000 - 4/3z) + 2z= 26400
Solving for z
2z + 4×7000 - 4×4/3z + 2 z= 26400
2z + 28000 - 16/3z + 2 z= 26400
2z - 16/3z + 2z= 26400 - 28000
-4/3z= -1600
z= (-1600)÷ (-4/3)
z= 1200
So,
x= 1/3z
x= 1/3×1200
x = 400
y= 7000 - 4/3z
y= 7000 - 4/3×1200
y= 5400
Therefore x = 400, y = 5400, z = 1200.
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What is the difference between sample statistics and population parameters called?
The difference between sample statistics and population parameter is called sampling error .
Sample statistics is the description in number or representation in number of the data measured by samples . The examples include mean , median , mode , average , percentiles etc .
Population parameter is also the description in number or representation in number of data about an entire population . The examples include population mean , population variance etc.
The sample statistics is calculated over data by say 100 regular customers whereas the population parameter is calculated by data over the specific target market . So , you can say that people of sample statistics are a subset of people of population parameter .
To understand better look at this example ,
By sample statistics , the mean Vitamin D level in sample of 100 men is 63nmol/L
Now by population parameter , the true mean Vitamin D level in all middle aged and older European men is 63nmol/L
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What are the zeroes of the polynomial function?
Answer: The zeroes of a polynomial function are the values of x!
Step-by-step explanation:
The zeroes of a polynomial function are the values of x at which the polynomial is equal to zero. The zeroes of a polynomial can be found by setting the polynomial equal to zero and solving for x. For example, if the polynomial is f(x) = x^2 + 3x – 4, then the zeroes are -4 and 1. This is because when x = -4, f(-4) = 0 and when x = 1, f(1) = 0.
Step-by-step explanation:
zeroes of a function are the values of x that create the functional value 0.
since we have been given just 4 answer options, we could play "trial and error" to find the right one.
or we could think a little bit.
F(x) = x³ - x² - 6x = x(x² - x - 6) = x(x - 3)(x + 2)
and so the zeros are all values of x that cause that expression to be 0. and that means any value of x that sets one of the factors to 0.
x = 0 is clear.
x = 3 (3 - 3 = 0)
and
x = -2 (-2 + 2 = 0)
are the other 2 zeros.
that means D is the right answer.