Functions from a Table

Identifying Functions from Tables and Mappings

FUNCTIONS

EVERY INPUT (X-VALUE) MUST BE PAIRED WITH EXACTLY ONE OUTPUT (Y-VALUE)

IF A X-VALUE REPEATS IT MUST REPEAT WITH THE SAME Y-VALUE IT HAD WHEN YOU SAW IT THE FIRST TIME

Multiple Choice

• Yes

• No

Multiple Choice

• Yes

• No

Multiple Choice

Which mapping represents a function?

• A

• B

• C

• D

Multiple Choice

Does this represent a function?

• Yes

• No