Functions, linear or nonlinear

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

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 table a function or not a function? 

• Function
• Not a Function

• Function
• Not a Function

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Is the function Linear or Nonlinear?

• Linear
• Nonlinear

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

Which graph is linear?

• Graph A
• Graph B
• Graph C
• Graph D

Is this function linear or nonlinear?

• Linear
• Nonlinear

Which graph depicts a nonlinear function?

• Graph A
• Graph B
• Graph C
• Graph D