Functions Quiz Review

Which mapping diagram is correct for the following set of numbers?

(1,7), (3,8),​ (3,6), (6,5),​ (2,11), (1,4)

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Which mapping diagram is correct for the following set of numbers?

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The following relation a function?

• Yes, is a function

• No, not a function

The following relation a function?

​(2,−​1), ​(1,−​6), ​(6,−​3), ​(4,−​7)

• Yes, is a function

• No, not a function

The following relation a function?

​(2,−​1), ​(1,−​6), ​(2,−​3), ​(4,−​7)

• Yes, is a function

• No, not a function

Which of the following statements is true about the relation below?

​(2,−​1), ​(1,−​6), ​(6,−​3), ​(4,−​7)

• The relation is a function because each x-value corresponds to exactly one y-value.

• The relation is NOT a function because each x-value corresponds to exactly one y-value.

• The relation is a function because each y-value corresponds to exactly one x-value.

• The relation is NOT a function because each y-value corresponds to exactly one x-value.

Which of these relations are​ functions? SELECT ALL THAT APPLY.

• (4,4), (5,4),​ (6,4), (7,4),​ (8,4)

• ​(4,4), (5,6),​ (6,8), (6,10),​ (7,12)

• ​(6,9), (7,19),​ (8,29), (8,39),​ (9,49)

• ​(7,33), (8,30),​ (9,27), (10,24),​ (11,21)

Which of these relations are​ functions? SELECT ALL THAT APPLY.

• (4,4), (5,4),​ (4,4), (7,4),​ (8,4)

• ​(4,4), (5,6),​ (6,8), (8,10),​ (7,12)

• ​(6,9), (7,19),​ (8,29), (9,39),​ (10,49)

• ​(7,33), (8,30),​ (9,27), (10,24),​ (10,21)

The following relation a function?

• Yes, is a function

• No, not a function

The following relation a function?

• Yes, is a function

• No, not a function