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13 November, 16:48

Which of the following relations is a function?

A. (0,4), (-1, 6), (0, 3), (-7, 2)

B. (6,1), (-1, 4), (0, 1), (6, 2)

C. (0,4), (-1, 2), (6, 1), (-7, 2)

D. (0,0), (-1, 3), (6, 1), (-1,5)

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Answers (1)
  1. 13 November, 17:41
    0
    C.

    Step-by-step explanation:

    A. The input 0 = the outputs 4, 3

    B. The input 6 = the outputs 1, 2

    C. No inputs have more than one output

    D. The input - 1 = the outputs 3, 5

    Functions can only have one output for each input. So C is the only function.
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