Domain is the list of all (a)   included in the function. Range is the list of ​ ​ (b)   included in the function.

• x-values
• y-values
• x-intercepts
• y-intercepts

We (a)   "contain" infinity in our domain or range, so we use the ​ (b)   .

• Cannot
• open parenthesis
• Can
• closed parenthesis

Is this graph (#3) representing a function?

• Yes, it passes the vertical line test

• No, it fails the vertical line test

What is the domain of graph 3?

• [-2,2]

• [1,5]

• (-2,2)

• (1,5)

What is the range of graph 3?

• [-2,2]

• [1,5]

• (-2,2)

• (1,5)

What is the domain of graph 4?

• 
• 
• 
• 

What is the range of graph 4?

• 
• 
• 
•