Exponential Function and Review

A car bought for $13,000 depreciates at 15% per year. Use an exponential function to find the value of the car after 5 years.

• $12,053.81

• $5,768.17

• $26,147.64

• $14,004.69

This is an example of:

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

According to exponent rules, when we raise a power to a power we _______ the exponents.

• add

• subtract

• multiply

• divide

5³⋅5⁴

• 5⁷

• 5⁻¹

• 5¹²

• 5

Evaluate the expression using the quotient rule.

• x¹³

• x⁵

• x³⁶

• x^-5

Simplify the expression in exponential form:
134⁰

• 0

• 134

• 1

Evaluate the expression using the quotient rule.

• 2¹⁴ z¹³

• 2²/z⁷

• 2¹⁴/ z⁷

• 2² z⁷

A flea medicine breaks down at a rate of 20% per hour. This is the rate of decay of the medicine. The initial dose is 60 milligrams. Which of the following represent the equation the models the amount of flea medicine left in an animal?

Find the decay factor from the given graph.

Which graph represents the given function?

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