Is It a Function Tables and Mappings

Which set of coordinates represent a function? (Select all that apply)

• {(1,1), (2,2), (3,3), (4,4), (5,5)}

• {(1,5), (2,4), (3,3), (4,2), (5,1)}

• {(3,6), (4,7), (5,8), (6,9), (4,0)}

• {(-2,0), (0,-2), (3,-5), (-5,3), (10,-6), (-6, 10)}

Tags

CCSS.8.F.A.1

When deciding whether a relation represents a function.....

• x and y values cannot repeat

• x values cannot repeat

• y values cannot repeat

• x and y values can repeat

Tags

CCSS.8.F.A.1

Which of the following tables does NOT represent a function?

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Tags

CCSS.8.F.A.1

Which of the following mappings represents a function?

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Tags

CCSS.8.F.A.1

Which of the following sets of coordinates represents a function?

• <(5,9), (9,11), (7,3), (5,-2)>

• {(-6,2), (-5,3), (-6,1), (-5,4)}

• {(-4,2), (-4,3), (-4,4), (-4,5)}

• {(1,8), (2,8), (3,8), (4,8)}

Tags

CCSS.8.F.A.1

A function is a relation in which each _________ is paired with _____ _________.

• y-value.... two x-values

• x-value.... two y-values

• y-value.... one x-value

• x-value.... one y-value

Tags

CCSS.8.F.A.1

Which value of w would allow these coordinates to represent a function?

• -3

• -5

• 6

• 0

Which tables represent functions? (Select 2)

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Tags

CCSS.8.F.A.1

Does this mapping represent a function?

• No, because two inputs map to 0

• No, because two inputs map to 1

• Yes, because 0 maps to 0 and 1 maps to 1

• No, because the inputs can result in more than one output

Tags

CCSS.8.F.A.1

Tell me about this table (choose 2):

• It represents a function

• It does NOT represent a function

• Because the x-values repeat

• Because the x-values do NOT repeat

Tags

CCSS.8.F.A.1