Identifying the Different Types of Functions

Which of the following is true about the graph shown above?

• The graph is not a function because it does not start at (0,0)

• The graph is a function because it passes the vertical line test.

• It is not a function because it is not linear.

• It is a function because it has a constant rate of change.

What type of function is this?

• Direct Variation

• Quadratic

• Absolute Value

• Square Root

What type of function is this?

• Direct Variation

• Quadratic

• Absolute Value

• Square Root

What type of function is this?

• Inverse Variation

• Square Root

• Piecewise

• Direct Variation

What type of function is shown?

• Direct Variation

• Quadratic

• Identity

• Absolute Value

What type of function is pictured?

• Direct Variation

• Identity 

• Constant

• Absolute Value

What type of function is illustrated by the equation shown?

• Absolute Value

• Identity 

• Square Root     

• Piecewise

This equation y=x²+4 is...

• Direct Variation

• Quadratic

• Square Root

• Absolute Value

These functions contain an equation for each different piece of the graph.

• Direct Variation

• Square Root

• Quadratic

• Piecewise

y=2x is a(n)...

• Direct Variation Function

• Identity Function

• Square Root Function

• Absolute Value Function