Is It a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Is this graph a function or not a function? 

• Function 

• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

• Function
• Not a Function

Is this table a function or not a function? 

• Function

• Not a Function

Which set of values is a function?

• (1,5) (2,5) (1,-5) (2,-5)

• (3,10) (5,-3) (7,4) (3, 8)

• (6,1) (7, 2) (8, 2) (9, 1)

• (1, -2) (5, 8) (5, -7) (3, 4)

Q1. What is a Function?

• A) Function

• B) Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

• Function
• Not a Function

• Function
• Not a Function