The graph of a function f is illustrated below. What is the graph of the inverse function of f?

Answers

Answer 1

Answer:

Answer: I believe that the answer is choice A :)

Step-by-step explanation: Use your phone screen or a mirror to see the reflection across the y=x line :)

Answer 2

Answer: the graph of a function f is illustrated below. What is the graph of the inverse function of f? this is a f reflected in the y = x line

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which polynomials are in standard form? A. t^4-1 B. -2t^2+3t+4 C. 4t-7 D. None of The Above Choose all answers that apply
5.3 divided by 37.63
A giant fish tank at the zoo contains z Halibut. The tank contains 4times as many Bluefin Tuna as Halibut. Write an equation thatrepresents the total number of Bluefin Tuna, y in the tank.
There are 25 marbles in the box. There are 10 red marbles , 8 blue marbles , and 7 yellow marbles . What percent of the marbles are NOT yellow ?A. 28%B. 72%C. 32%D. 40%

The mortgage department of a large bank is interested in the nature of loans of first-time borrowers. This information will be used to tailor their marketing strategy. They believe that 40% of first-time borrowers take out smaller loans than other borrowers. They perform a hypothesis test to determine if the percentage is the same or different from 40%. They sample 100 first-time borrowers and find 53 of these loans are smaller than the other borrowers. For the hypothesis test, they choose a 5% level of significance. What would be the null and alternative hypotheses

Answers

Answer:

Step-by-step explanation:

The null hypothesis is the statement or claim that is believed or assumed to be true. In this case, the null hypothesis is "They believe that 40% of first-time borrowers take out smaller loans than other borrowers". Since we are dealing with proportion, we will denote it with p. The null hypothesis would be

p = 0.4

The alternative hypothesis is what the researcher expects or predicts. It is the statement that is believed to be true if the null hypothesis is rejected. The alternative hypothesis is "They perform a hypothesis test to determine if the percentage is the same or different from 40%". It would be written as

p ≠ 0.4

Suppose that the expected number of accidents per week at an industrial plant is 5. Suppose also that the number of workers injured in each accident are independent random variables with a common mean of 2.5. If the number of workers injured in each accident is independent of the number of accidents that occur, what is the expected number of workers injured in a week?

Answers

Answer:

12.5

Step-by-step explanation:

If the number of workers injured in each accident is independent of the number of accidents that occur, then the expected number of workers injured in a week equals the expected number of accidents per week times the expected number of workers injured in each accident.

But the expected number of workers injured in each accident is precisely the average or mean, so

Expected number of workers injured in a week = 5*2.5 = 12.5.

Or in other words, in 10 weeks there will probably be 125 workers injured.

Final answer:

The expected number of workers injured in a week at the industrial plant is 12.5, calculated by multiplying the expected number of accidents per week (5) by the expected number of workers injured per accident (2.5).

Explanation:

The expected number of accidents at an industrial plant per week is given as 5 and the mean number of workers injured per accident is given as 2.5. As the number of workers injured per accident is stated to be independent from the number of accidents that occur, we can merely multiply the two expected values to find the overall expected value of workers injured in a week.

So, Expected number of workers injured per week = Expected number of accidents per week * Expected number of workers injured per accident = 5 * 2.5 = 12.5.

This implies that, on average, we can expect 12.5 workers to be injured at the industrial plant per week.

Learn more about Expectation of Random Variables here:

brainly.com/question/39199683

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In a scale drawing, the length of the airplane is 7 inches. What is the length of the real airplane? Scale factor: 1 in:9 ft

Answers

Answer:

63 ft

Step-by-step explanation:

Multiply your scale factor by 7.

1 in : 9 ft . . . . . . . . . . your scale factor

7·(1 in) : 7·(9 ft) . . . . . indicate the multiplication

7 in : 63 ft . . . . . . . . do the multiplication

Answer:

u mStep-by-step explanation:

The graphs of each group of equations have at least one characteristic in common. Name the characteristics and then graph each group of equations on the same axes to verify your answer.

Answers

Common characteristics, all the equations pass through the origin.

Common characteristics, all equations are parallel lines and are increasing function

Common characteristics, all the equations pass through the origin.

Common characteristics, all the equations pass through the origin and lie on the same points. The three equations are the same.

The three equations intersect at (2,-2).

Consider a colony of E.Coli bacteria that is growing exponentially. A microbiologist finds that, initially, 1,000 bacteria are present and 50 minutes later there are 10,000 bacteria. a) Find expression for the number of bacteria Q(t) after t minutes. b) When will there be 1,000,000 bacteria?

Answers

Answer:

a) $Q(t)=Q_(0)e^((ln10/50)t)$

b) 150min

Step-by-step explanation:

a) Using the formula for colony growth $Q(t)=Q_(0)e^(kt)$ we need to find the specific value of k, to do this you'll use the time, initial and final number of colonies provided in your problem.

$Q(t)=Q_(0)e^(kt)\n\n10000=1000e^(k(50)) \n\n(10000)/(1000)=e^(50k) \n\n10=e^(50k)\n ln(10=e^(50k))\n\nln10=50k\n\nk=ln10/50\n\nQ(t)=Q_(0)e^((ln10/50)t)\n\n$

b) Once we have our expression we only have to use our final and initial number of bacteria to find t.

$Q(t)=Q_(0)e^((ln10/50)t)\n\n\n1000000=1000e^(0.046t)\n 1000=e^(0.046t)\nln( 1000=e^(0.046t))\nln1000=0.046t\nt=ln1000/0.046\nt=150 minutes$

I hope you find this information useful! good luck!

Let f (x)= x + 18 − 3 x − 15 Choose the correct interval form for the DOMAIN of f and then enter the values for the endpoint(s) in the appropriate answer blanks). Enter DNE in any unused blanks.

Answers

Answer:

The domain of f(x) corresponds to the set of real numbers.

D f(x) ∈ ∀X; D f(x) ∈ R

Step-by-step explanation:

f(x)=X+18-3X-15

f(x)=-2X+3 (right line with negative slope)

This function exists for all values of X, so the domain corresponds to the set of real numbers.

D f(x) ∈ ∀X; D f(x) ∈ R

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Hi i have a question can younplease help me

Let P be the relation defined on the set of all American citizens by xPy if and only if x and y are registered for the same political party. Not being registered or being registered as an independent also counts as a registration. Check all properties that P has.anti-symmetricreflexivetransitivesymmetric