Cumulative Exam — Cumulative exam

Question 1

Researchers compare the body composition of cattle feeding on a grain diet with that of cattle feeding on a grass diet. This method of gathering data is classified as

Revolt · Accepted Answer

an observational study.

Question 2

Which equation is represented by the graph below?

Revolt · Accepted Answer

y = one-half e Superscript x

Question 3

Which of the following shows the true solution to the logarithmic equation below?

Revolt · Accepted Answer

x = 4

Question 4

A spinner is divided into two equal parts, one red and one blue. The set of possible outcomes when the spinner is spun twice is S = {RR, RB, BR, BB}. Let X represent the number of times blue occurs. Which of the following is the probability distribution, PX(x)?

Revolt · Accepted Answer

A 2-column table has 3 rows. The first column is labeled x with entries 0, 1, 2. The second column is labeled P x (x) with entries 0.25, 0.5, 0.25.

Question 5

Claire deposited $2,500 into an account that accrues interest monthly. She made no additional deposits or withdrawals. After 2 years, Claire had $2,762.35 in the account. What is the annual interest rate of the account?Compound interest formula:t = years since initial depositn = number of times compounded per yearr = annual interest rate (as a decimal)P = initial (principal) investmentV(t) = value of investment after t years

Revolt · Accepted Answer

5%

Question 6

What is the range of the function g(x) = |x – 12| – 2?

Revolt · Accepted Answer

{y | y > –2}

Question 7

A business owner opens one store in town A. The equation represents the anticipated profit after t years. The business owner opens a store in town B six months later and predicts the profit from that store to increase at the same rate. Assume that the initial profit from the store in town B is the same as the initial profit from the store in town A. At any time after both stores have opened, how does the profit from the store in town B compare with the profit from the store in town A?

Revolt · Accepted Answer

96%

Question 8

The number of siblings each student at a softball game has is recorded. The graph below shows the probability distribution of having any number of siblings, X, for a randomly selected student. Which number of siblings is least likely?

Revolt · Accepted Answer

4 siblings

Question 9

What is the horizontal asymptote of ?

Revolt · Accepted Answer

y = –2

Question 10

What is the quotient of ?

Revolt · Accepted Answer

–2x9

Cumulative Exam — Cumulative exam Answers

TRY EDGENUITY HACKS