Mathematics

8th

grade

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Relations and Functions

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12 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which of the relations below is a function?

    {(2, 3), (3, 4), (5, 1), (2, 4)}

    {(2, 3), (3, 4), (6, 2), (7, 3)}

    {(2, 3), ( 3, 4), (6, 2), (3, 3)}

  • 2. Multiple Choice
    1 minute
    1 pt

    Given the relation A = {(5, 2), (7, 4), (9, 10), (x, 5)}. Which of the following values for x will make relation A a function?

    7

    9

    4

  • 3. Multiple Choice
    1 minute
    1 pt

    The following relation is a function.

    {(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)}

    True

    False

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