Functions Test 1

Which set of ordered pairs represents the relation shown in the graph?

• {(3, -5), (-2, 0), (2, 0), (-1, 1), (3, 5)}
• {(5, -3), (2, 0), (0, -2), (-1, 1), (-3, -5)}
• {(-5, 3), (0, -2), (2, 0), (1, -1), (3, 5)}
• {(-5, 3), (-2, 0), (0, 2), 1, -1), (3, 5)}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the domain of the relation shown in the graph above?

• {0, 1, 2, -2, 3}
• {1, 3, 0, -2, -5}
• {0, 2, -1, 3, 5}
• {-5, -2, 2,-1, 3}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Which mapping represents the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

• A
• B
• C
• D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which statement is true about the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

• The relation is NOT a function because all the y-values are not different.
• The relation is NOT a function because all the x-values are not different.
• The relation is a function because the y-values are different.
• The relation is a function because all the x-values are different.

Tags

CCSS.8.F.A.1

What is the domain of the graph shown?

• -2 < y ≤ 6
• -6 ≤ x < -2
• -6 < y ≤ 6
• -6 < x ≤ 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of the following relations represents y as a function of x?
I. {(1, 4), (2, 5), (3, 6)}
II. {(1, 4), (2, 4), (3, 4)}
III. {(1, 4), (2, 4), (1, 3)}
IV. {(1, 4), (1, 2), (1, 3)}

• I, II, and III only
• II and IV only
• III and IV only
• I and II only

Tags

CCSS.8.F.A.1

Does this mapping represent a function? Why or why not?

• Yes, this is a function because all the x values are different.
• No, this is not a function because not all the x values are different.
• Yes, this is a function because all the y values are different.
• No, this is not a function because not all the y values are different. 

Tags

CCSS.8.F.A.1

Which of the graphs shown is a function?

• F
• G
• H
• J

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

If f(x) = 3x - 7, find f(4).

• 0
• 5
• 14
• 19

Tags

CCSS.HSF.IF.A.2

Find the range of f(x) = 7x - 2, given the domain is D = {2, -1, 3}. 

• {-7, 14, 21}
• {-9, 12, 19}
• {-5, 12, 21}
• {-9, 14, 19}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2