Functions

Which groups of ordered pairs could represent functions? Select all that apply.

• (1, 2), (1, 3), (1, 6), (1, 8)

• (−5, 5), (−4, 4), (−3, 3), (−2, 2)

• (−2, 4), (−1, 1), (0, 0), (1, 1)

• (−3, 4), (−2, 3), (−3, 5), (−2, 4)

• (0, 0), (1, 0), (7, 0), (9, 0)

Tags

CCSS.8.F.A.1

Which table shows a linear function with the same y-intercept as the graph shown?

• x: -1, 0, 1

  y: -4, -3, -2

• x: -1, 0, 1

  y: -3, -2, -1

• x: -3, 0, 3

  y: 0, 2, 4

• x: -4, -2, 1

  y: 1, -3, -4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which are nonlinear functions? Select ALL that apply.

• A) y = -x²

• B) decreasing function

• C) increasing function

• D) table of a function

Tags

CCSS.8.F.A.3

• Best Diner is always more expensive per person than Ace Diner.

• Ace Diner is always more expensive per person than Best Diner.

• Ace Diner is less expensive per person when there are fewer than 18 people in the group.

• Best Diner is less expensive per person when there are fewer than 18 people in the group.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which set of ordered pairs represents a function?

• {(0, -1); (0, 0); (1, 1); (2, 2)}

• {(0, 1); (1, -1); (1, 1); (2, 1)}

• {(0, 0); (1, -1); (2, 1); (3, 0)}

• {(0, 0); (0, 1); (0, 2); (0, 3)}

Tags

CCSS.8.F.A.1

Which function is represented by the graphed line?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which statement describes the function shown?

• A) The function is nonlinear and increasing.

• B) The function is nonlinear and decreasing.

• C) The function is linear and increasing.

• D) The function is linear and decreasing.

Tags

CCSS.8.F.A.3

Which function is represented by the graphed line?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the rate of change between (3, 14) and (5, 22)?

• 2

• 4

• 6

• 8

Tags

CCSS.HSF-LE.A.1B

Which graph shows a nonlinear increasing function?

• Third graph
• Fourth graph
• First graph
• Second graph

Tags

CCSS.8.F.A.3