Functions Quiz

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

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

(-2, 3), (0,1), (2, -4), (3, -1), (2, 4)

• Function

• Not a Function

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

Is this mapping a function or not a function?

• Function

• Not a Function

Which set of values is a function?

• (6, 5) (7, 3) (8, 1) (9, 1)

• (2, 2) (5, 9) (5, 7) (1, 4)

• (9, 5) (5, 5) (9, 6) (8, 5)

• (3, 4) (4, 3) (7, 4) (3, 8)

Does this table represent a function?

• Yes
• No

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• 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.

Evaluate the function: f(x) = -2x + 3

Find f(4)

• -5

• 11

• -2

• 15