Different Representations of Functions

Is this table a function or not a function? 

• Function

• Not a Function

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values

Is this graph a function or not a function? 

• Function 

• Not a Function

Is the graph pictured a function?

• Yes

• No

• Function
• Not a Function

• Function
• Not a Function

Is the relation a function? Why, or why not?

• Yes, because the x-value of 11 has two y-values.

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

• No, because the x-value of 11 has two y-values.

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

Is this graph 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 table a function or not a function? 

• Function

• Not a Function