Functions from Mapping Diagrams

Is the relation a function? Why?

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Which mapping diagram is NOT a function?

• 
• 
• 
• 

Do the mapping diagrams represent a function?

• Yes

• No

Does this represent a function?

• Yes

• No

• A

• B

• C

• D

Do the mapping diagrams represent a function?

• Yes

• No

Do the mapping diagrams represent a function?

• Yes

• No

• A

• B

• C

• D

Do the mapping diagrams represent a function?

• Yes

• No

Do the mapping diagrams represent a function?

• Yes

• No