Functions Tables/Order Pairs

Which of the following is a function?

• A

• B

• C

• D

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Does the table represent a function?

• Yes, there  is a repeated x-value. 
• No, there aren't any repeated y-values. 
• Yes, there are repeated y-values. 
• No, there is a repeated x-value. 

Draw a circle around the x-values.

• Function
• Not a Function

Is this relation a function?

• Yes

• No

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

• Function
• Not a Function 

Circle all of the x-values.

When you have DOUBLE x-values, it makes the relationship -

• not a function

• a function

Does the table represent a function?

• Yes

• No