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U2D7 Quiz Review Jan31

Posljednje ažuriranje about 1 year ago

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Pitanje 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

Pitanje 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

Pitanje 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?

Pitanje 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?

Pitanje 5

5.

Find the inverse function.

Pitanje 6

6.

Write the logarithmic equation as an exponential equation.

Pitanje 7

7.

Write the exponential equation as a logarithmic equation.
10³ = 1000

Pitanje 8

8.

Evaluate:

Pitanje 9

9.

Evaluate:

Pitanje 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?