Is it a Function

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)

Is this mapping a function or not a function? 

• Function

• Not a Function

Is this table a function or not a function? 

• Function

• Not a Function

Is this table a function or not a function? 

• Function

• Not a Function 

• Function

• Not a Function

• Function

• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function

• Function

• Not a Function