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U2D7 Quiz Review Jan31

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Last updated 9 months ago
10 questions
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Question 1
1.

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease.
y = 42(1.04)x

Question 2
2.

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease.
y = 61(0.9)x

Question 3
3.

A new car is purchased for 16400 dollars. The value of the car depreciates at 8.25% per year. What will the value of the car be, to the nearest cent, after 10 years?

Question 4
4.

Bo invested $900 in an account paying an interest rate of 8.5​% compounded continuously. Levi invested $900 in an account paying an interest rate of 8.78​% compounded monthly. After 7 years, how much more money would Levi have in his account than Bo, to the nearest cent?

Question 5
5.

Find the inverse function.

Question 6
6.

Write the logarithmic equation as an exponential equation.

Question 7
7.

Write the exponential equation as a logarithmic equation.

103 = 1000

Question 8
8.

Evaluate:

Question 9
9.

Evaluate:

Question 10
10.

A new car is purchased for 20500 dollars. The value of the car depreciates at 14% per year. To the nearest tenth of a year, how long will it be until the value of the car is 7900 dollars?