Is This a Function

• Function
• Not a Function

Is it a function?

• Yes

• No

Which value shown can replace the letter, a, so that the table is NOT a function?

• -11

• -1

• 25

• 3

.

• Function

• Not a Function

Is it a function?

• Yes

• No

• Function
• Not a Function

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

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

Is this a function?

• Yes, it is a function.

• No, it is not a function.