Module 11 Exponential Functions Review

Which equation matches this graph?

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Which graph matches this equation?

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Which graph matches this equation?

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Which equation matches this graph?

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What is the value of the y-intercept of the graph of the graph of

 $h\left(x\right)=29\left(5.2\right)^x$  ?

• 29

• 1

• 5.2

• 0

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

What type of function is
y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(.97)^x
• f(x)=400(1-0.03)^x
• f(x)=400(1.03)^x
• f(x)=400(0.03)^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

An adult takes 800 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours? (hint: create equation first)

• 101

• 102

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• 104