Recursive Formulas — Cumulative exam

Question 1

If , what is the value of x?

Revolt · Accepted Answer

4

Question 2

Which expression is equivalent to the following complex fraction?

Revolt · Accepted Answer

StartFraction x minus 1 Over 2 x EndFraction

Question 3

Jill has 64 ounces of lemonade. Each day, her brother drinks 16 ounces. Then at the end of each day Jill adds 25% of the remaining total back into the lemonade container. Which recursive formula models the number of ounces of lemonade in the container, , at the end of the nth day?

Revolt · Accepted Answer

mc021-2.jpg

Question 4

The parent function f(x) = x3 is translated to form g(x), as shown on the graph. The translated function can be written in the form g(x) = (x – h)3 + k.

Revolt · Accepted Answer

h = 4 k = –2

Question 5

Which graph represents ?

Revolt · Accepted Answer

On a coordinate plane, a curve that begins at (0, 0) opens down and to the right in quadrant 1.

Question 6

Tenisha solved the equation below by graphing a system of equations.Which point approximates the solution for Tenisha’s system of equations?

Revolt · Accepted Answer

(1.0, 1.4)

Question 7

Which expression is equivalent to log3(x + 4)?

Revolt · Accepted Answer

log3 + log(x + 4)

Question 8

The population of a town grew from 20,000 to 28,000. The continuous growth rate is 15%. The equation represents the situation, where t is the number of years the population has been growing. About how many years has the population of the town been growing? Use a calculator and round your answer to the nearest whole number.

Revolt · Accepted Answer

2 years

Question 9

Question 69

Revolt · Accepted Answer

Answer image: https://r19.core.learn.edgenuity.com//media.edgenuity.com/evresources/e743f4bbf6ea1e235acf633be5fbb63b.png

Question 10

What is the domain of ?

Revolt · Accepted Answer

all real numbers greater than 0

Recursive Formulas — Cumulative exam Answers

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