Compound Interest and Exponential Functions

Is this exponential growth or decay?

• Growth

• Decay

Is the table linear, exponential, or neither?

• Linear

• Exponential

• Neither

This is an example of:

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

• 
• 
• 
• 

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Anthony invested $500 into an account that earns 2.25% compound interest weekly. How much interest will his investment earn after 5 years?

Determine whether the set of data shown displays an exponential function. Write yes or no. Explain why or why not.

Determine whether the set of data shown displays an exponential function. Write yes or no. Explain why or why not.

Simplify the expression.