Functions Practice 5

Which "piece" of the function would you use to evaluate the piecewise function for  $f\left(-4\right).$  

• $-2x+1$

• $5x-4$

Evaluate the piecewise function for  $f\left(-4\right)$  . 

Evaluate the piecewise function for  $f\left(2\right)$  . 

Evaluate the piecewise function for  $f\left(8\right)$  . 

Evaluate the piecewise function for  $f\left(-2\right)$   . 

The graph represents a piecewise function. How many pieces make up the function?

• 1

• 2

• 3

• 4

What are the domain restrictions for the green piece of this function?

• $-2<x\le1$
  

• $-1<x\le0.5$
  

• $x>-2$
  

• $x\le1$
  

Using the pictured graph, what is f(-2)?

• -3

• -1

• -2

• 3

On the graph, which portion of the piecewise function is represented in red?

• x
• 0.5x + 2.5       
• -1
• 0.5x + 1

If a lawyer charges $120 an hour (or any fraction of an hour), how much is a bill for 3 hours and 20 minutes?

• $420
• $480
• $400
• $360