functions Practice 1

Does the table below represent a linear function? Why or why not?

Is this a function? Explain

Does the graph above represent a function? Explain how you know.

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 graph a function or not a function? 

• Function 
• Not a Function

Is this table 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.

Is this graph a function or not a function? 

• Function
• Not a Function

Is this function linear or nonlinear?

• linear

• nonlinear