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
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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
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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?
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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?
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Question 5
5.
Find the inverse function.
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Question 6
6.
Write the logarithmic equation as an exponential equation.
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Question 7
7.
Write the exponential equation as a logarithmic equation.
103 = 1000
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Question 8
8.
Evaluate:
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Question 9
9.
Evaluate:
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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?