Review Exponential Functions

Exponential functions are the result of

• Repeated Multiplication

• Repeated Addition

What kind of equation is indicated by the pictured table?

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

The pictured graph shows...

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

You invest $400 for 5 years and the interest rate is 4.29% each year.

• y=400(1 - 0.0429)⁵

• y=400(1+.0429)⁵

• y=400(1+ 4.29)⁵

• y=400e^0.049*5

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(1 - .08)^x

• y=15,000(0.08)^x

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

Is this exponential growth or decay?

• Growth

• Decay