Functions Quiz

What is the definition of function?

• Has inputs and outputs

• Each input has only ONE output

• Inputs have multiple outputs

• x-values and y-values

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

Is this mapping a function or not a function? 

• Function

• Not a Function 

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

Why is this function linear?

• This is a linear function because it does not have a constant rate of change

• This is a linear function because it creates a curved line.

• This is a linear function because it have a constant rate of change.

• This is a linear function because it's y-intercept is (0,2)

Is this function linear or nonlinear?

• Linear function

• Nonlinear 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)