Introduction to Piecewise Functions

What is g(7) if:

• -17

• -13 

• 13       

• 17

What is m(-3) if:    

• -3

• 0.5

• 3

• -3.5

What is the value of the expression f(–3)?

• -15

• 3

• -3

• 15

What is the value of  f(4)?

• 3

• 1

• -1

• -3

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

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

What is the value of the expression f(–3) + 2f(–1) – f(4)?

• 101/36

• 32/6

• 4

• 22

What is f(x) when x equals 4?

• -5

• 0

• 3

• 6

What is the value of 2f(–1)?

• 36

• 18

• -18

• -36