Exponential Key

What is the growth factor of f(x) = 4(3)^x

• 4

• 3

• 1

• x

What is the asymptote of the graph?

• x = 0

• y = 2

• x = 1

• y = 0

Which equation is representative of the graph?

• y=4(1/2)^x

• y=1/2(4)^x

• y=4(2)^x

• y=8(1/2)^x

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

• f(x)=400(1+3)^x

• f(x)=400(1-0.03)^x

• f(x)=400(1+0.03)^x

• f(x)=400(0.03)^x

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 12 represent?

• The predicted increase in number of elephants in the refuge each year.

• The predicted decrease in number of elephants in the refuge each year.

• The number of years it will take for the elephant population to stop increasing.

• The initial amount of elephants in the park.

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Does the exponential graph show growth or decay?

• Growth

• Decay

• Neither

What is the range of the graph?

What is the range of the graph?

Does the exponential graph show growth or decay?

• Growth

• Decay

• Neither