Interpret Piecewise Functions

Using the pictured graph, what is f(-3)? 

• -3

• -1

• 1

• 3

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

• x

• 0.5x + 2.5       

• -1

• 0.5x + 2

What is m(-3) if:    

• -3

• 0.5

• 3

• -3.5

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4

• f(x) = { x  if x ≤ 4;  -x+1  if x > 4

• f(x) = { -x+1  if x < 4;  x  if x ≥ 4

• f(x) = { -x+1  if x ≤ 4;  x if x > 4

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

Find f(-2)

• -3

• 6

• 8

• -6

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

• -2 < x ≤ 1

• -1 < x ≤ 0.5

• x > -2

• x ≤ 1

What is g(7) if:

• -17

• -13 

• 13       

• 17

Find f(0)

• -3

• 18

• 4

• 0