Unit 7 Test Review

• y⁴/9x⁶

• y⁴/9x⁴

• y²/9x⁶

• y⁴/3x⁶

• (-2, 0)

• (0, 7)

• x

• (0, -2)

• (4, 2)

If the functions is growing at a rate of 3%, the growth factor or b value is _____.

What is the equation that models the data in the table?

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

Select all the equations that represent exponential decay.

Select the functions that are exponential growth.

Which graph represents exponential growth?

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