Domain of Exponential Functions

What is the domain of the exponential function?

• all real numbers

• y > -3

• y < -3

• x > -3

What is the Domain of this exponential function?

• y=1

• x=0

• All Real Numbers

• x>0

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

• A/F
• B/G
• C/H
• D/J

A part of the exponential function is graphed on the grid.

Which inequality best represents the domain of the part shown?

• A/F
• B/G
• C/H
• D/J

Which inequality best represents the domain of the part shown?

• a

• b

• c

• d

Click on the picture to make it bigger and select your answer choice.

• A

• B

• C

• D

We focus on which axis when talking about domain?

(a)  

• A

• B

• C

• D