Functions Representations

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 mapping 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 this graph a function or not a function? 

• Function

• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

From the table, is the function Linear or Nonlinear?

• Linear

• Nonlinear

Which function is linear?

• y = 2x + 4

• y = 2x² + 4

• y = 2x(4 − 3x)

• xy = 15

Is the function Linear or Nonlinear?

• Linear

• Nonlinear