Exponential Growth and Decay QUIZ

What is the formula for exponential growth?

What is the formula for exponential decay?

• Time
• Growth rate

• Slope
• Initial Amount

• Time

• Growth Rate

• Slope

• Initial amount

• Time

• Growth rate

• Decay rate

• Initial amount

Convert the percent to a decimal: 9%

• .9

• 900

• .009

• .09

Convert the percent to a decimal: 27%

• 2.7

• .27

• 270

• .027

Convert the percent to decimal: 7.25%

• 7.25
• 72.5
• 0.725
• 0.0725

Identify the following statement as either exponential growth or exponential decay:

"The value of a car is $18,000 and is depreciating at a rate of 12% per year."

• Exponential growth

• Exponential decay

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. Use an exponential function to find the value of the home today.

a:

r:

t:

answer: