End of Unit 2 Quiz

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!

What is the DOMAIN?

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the definition of the range of a function?

• The collection or set of all possible outputs

• The collection or set of all possible inputs

• The collection or set of all possible numbers

• The collection or set of all possible graphs of the function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is f when x equals 4?

• -5
• 0
• 3
• 6

Tags

CCSS.HSF.IF.A.2

How many pieces is this Piecewise Function composed of?

• 1
• 2
• 3
• 4

Tags

CCSS.HSF-IF.C.7B

Find f(2)

• f(2) = 0

• f(2) = 1

• f(2) = 3

• f(2) = 4

Tags

CCSS.HSF.IF.A.2

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.HSF-IF.C.7B

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2

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

• x  $<$   3

• x  $\ge$   2

• 1  $\le$    x  $\le$  3

• 1  $\le$   x  $<$  3

Tags

CCSS.HSF-IF.C.7B

If f(x) = 3x -1 and g(x) = x² + 2,

what is (f o g)(x) ?

• 3x² + 5

• x² + 1

• 3x² + 1

• 3x² + 6

Tags

CCSS.HSF-BF.A.1C