Identifying Functions from Tables and Points

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Is this relation a function?

• Function

• Not a function

Is this relation a function?

• Function

• Not a function

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

.

• Function

• Not a Function

• Yes
• No

Does the table represent a function?

• Yes

• No

• Yes
• No

• Yes
• No

Which of these tables represent a function?

• A

• B

• C

• D