Chapter 4 Functions

You and your friend both work at grocery stores. The graph shows your earnings and your friend's earnings per hour. After how many hours will your friend begin earning more money than you?

• 2 hours

• 3 hours

• 4 hours

• 5 hours

What is the domain?

• {-2, -1, 0, 1, 8}

• {3, 5, 7 , 9, 0}

• {-2, -1, 0, 1, 3, 5, 7, 8, 9}

• {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

The y-intercept of Function A is

• -1

• 1

• -2

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the range?

• {-2, -1, 0, 3}

• {3, 0, -1, 0, -2}

• {-4, -2, 1, 2, 5}

• {-4, -2, -1, 0, 1, 2, 3, 5}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}

• D: {-4, 0, 1, 2}
  R:{-4, -3, 1}

• D: {0, 1, 2, 3, 4}
  R:{1, -3, -4}

• D: {0, 1, 2, -4}
  R: {1, -3, -4, 1}

Evaluate f(-3) if f(x) = 3x + 21

• 12

• 30

• 11

• -30

Tags

CCSS.HSF.IF.A.2