Exponential Growth and Decay Graphing

Identify the y-intercept of the graph of the exponential function: y=3\left(\frac{1}{2}\right)^x

• (3,0)

• (1/2, 0)

• (0,0)

• (0,3)

What function is present? 

• Absolute Value

• Exponential Decay

• Linear Equation

• Exponential Growth

In the following decreasing exponential graph

• the base is greater than one

• the base is between 0 and 1

• the base is zero

• the base is a negative value

What is the intercept of the exponential function?

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

What does the graph represent?

• Exponential Decay

• Exponential Growth

What is the domain and range of the function y=2^x ?
Use the graph to help!

•  Domain: −∞<x<∞
  Range: y>0

• Domain: −∞<x<∞
  Range: y>1

• Domain: −2<x<∞
  Range: y>0

• Domain: −∞<x<∞
  Range: y>0

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Above

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

• (.27)^x
• .27
• 13
• 3.51