Piecewise Functions

What is 5f(6) + 2f(-4)?

• 0

• 15

• -15

• 22

What is -3f(13) - 4f(0)?

• 0

• 1

• -1

• -39

What is the RANGE of the function?

• (-∞, +∞)
• (-∞, 4]
• (-∞, 4)
• [0, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the DOMAIN of the function?

• (-∞, +∞)
• (-∞, 4]
• (-∞, 4)
• [0, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which function would you use to evaluate f(4)?

• both

• neither

• the first function

• the second function

Which piecewise function corresponds to this graph? (Note: the red line is NOT one of the functions.)

• 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 f(6)?

• 20
• 33
• 3
• 3, -3

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

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

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

Which graph matches:
4-x for x<2
2x-6 for x>=2

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7B

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2