Exponential Key

• A

• B

• C

• D

• F

• G

• H

• J

Is this graph an example of exponential growth or decay?

• growth

• decay

What is the equation that best represents the graph?

• y=-2(2)^x

• y=2^x

• y=2^x+4

• y=x²

What is the x-intercept of the exponential function? 

• (0,1)

• (0,0)

• There is not one

Where is the horizontal asymptote?

• y=3

• y=0

• x=0

• x=3

Classify

f(x)=3(5)^x

• Exponential Growth

• Exponential Decay

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Where is the horizontal asymptote? 

• y = 6

• y=0

• y=-6

• none

The following graph shows the parent function shifted RIGHT one unit and DOWN three units. Which is most likely the transformed equation?

• f(x)=2^x-1-3

• f(x)=2^x-1+3

• f(x)=2^x+1-3

• f(x)=2^x+1+3