Functions or Not Graphs

Is the relation a function?

• yes, it is a function

• no, it is not a function

• not enough information to determine

Is this mapping a function or not a function? 

• Function

• Not a Function

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Is this table a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Is this a function or not a function?

• Function

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Sara says the graph does NOT represent a function because the graph is not a straight line. Is she correct?

• Yes

• No

Is the graph showing a function?

• Yes

• No

Is this a function or not a function?

• Function

• Not a function