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21 March, 10:32

Which of the following relations is a function? {A. (1, 2), (1, 3), (2, 8), (3, 9) } B.{ (1, 2), (2, 3), (3, 4), (4, 5) } C.{ (3, - 1), (2, 3), (3, 4), (1, 7) } D.{ (3, 0), (4, - 3), (6, 7), (4, 4) }

Answers (2)
  1. M
    21 March, 11:30
    0
    The answer is B. { (1, 2), (2, 3), (3, 4), (4, 5) }
  2. B
    21 March, 11:45
    0
    A function will have different x values in each ordered pair.

    so A is not a function because of the 1's in (1,2) and (1,3)

    B is a function
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