Midterm Extra Review

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

Is this graph a function or not a function? 

• Function
• Not a Function

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 this graph a function or not a function? 

• Function 
• Not a Function 

Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5) 

• (3, 7)
• (4, 1) 
• (1, 9)
• (2, 6)

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Evaluate f(33)

• 33
• 11
• 10
• 8

Find  $g\left(5\right)$  when  $g(x)=2x−4$   

• $$g\left(5\right)=6$$  

• $$g\left(5\right)=14$$  

• $$g\left(5\right)=21  

•  $$g\left(5\right)=25-4$$ 

Is this function linear or nonlinear?

• linear function
• nonlinear function