Relations, Tables and Mapping Diagrams

• Yes
• No

• Yes
• No

• Yes
• No

Does this represent a function?

• Yes

• No

Does this represent a function?

• Yes

• No

Does this represent a function?

• Yes

• No

Which relation diagram represents a function?

• Z

• Y

• X

• W

Which of these mappings is a function?

• W

• Y

• X

• Z

Which of the following relations describes a function?

• A

• D

• C

• B

Using the vertical line test, determine if the graph above shows a relation, a function, both a relation and a function, or neither a relation or a function.

• Neither a relation or a function

• Relation only

• Both a relation and a function

• Function only