Exponential Functions Review

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

• 4%

• It doesn't say

• I don't know

• 400%

You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

• $344,022

• $31,500

• $15,000

• $28,500

What kind of equation is indicated by the pictured table?

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

The pictured graph shows...

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

Exponential functions are the result of

• Repeated Multiplication

• Repeated Addition

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

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

• (.27)^x
• .27
• 13
• 3.51

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

• Exponential Growth

• Exponential Decay

• Linear

• None

Which function represents the table of values?

• f(x) = 4x

• f(x) = x³

• f(x) = 4^x

• f(x) = 4^x-1

What is the y-intercept of the function?

• 2

• 3

• 1

• -2