Classwork: Piecewise Functions

When x is less than or equal to 2, what equation is shown in the graph?

• f(x) = 3

• f(x) = x

• f(x) = | x |

• f(x) = | x - 1 |

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2

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

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.10

What is f(-2)?

• 4
• 1
• 1
• DNE

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is the RANGE of the function?

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

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Evaluate f(0)

• 0

• 19

• 9

• -19

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

A house painter charges $12 per hour for the first 40 hours he works, $18 for the ten hours after that, and $24 for all hours after that.

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Find x if y = 1

• x = -1
• x = 0
• -2 < x < 1
• x = -3 or x = 2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the DOMAIN?

• (-∞, +∞)
• (-∞, -1] U [3, +∞)
• [-1, +∞)
• (-1, 0] U (0, +∞)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5