Identifying Functions

• Function
• Not a Function

Is the graph pictured a function?

• Yes

• No

• Function 
• Not a Function

When a vertical line crosses the line of a function ​ (a)   the relation ​ (b)   a function.​ ​

• more than once

• is not

• never

• Yes
• No

• Yes
• No

• Yes
• No

Which of these tables represent a function?

• A

• B

• C

• D

Which is a function?

• A

• B

• C

• D

Which of the following is a function?

• A

• B

• C

• D