Exponential Functions

Which of the following is an exponential function?

• y = x²

• f(x) = 3x³

• y = x³

• f(x) = 3^x

What is the initial value in y=4(2)^x

• 4

• 2

• x

b⁰ =

• -1

• 0

• 1

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

What is the y -intercept of  y=3(4)^x?

• 1
• 0
• 4
• 3

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

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

• Exponential Growth
• Exponential Decay
• Linear
• None

Describe this function.

• Exponential Growth

• Exponential Decay

• Linear Positive