A1 M1 D1 Is it a function?!

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

• Function

• 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.

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this graph a function or not a function? 

• Function 
• Not a Function