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25 January, 19:20

1,3 1,5 1,7 1,9 is this a function. what is the domain and the range

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Answers (2)
  1. 25 January, 20:49
    0
    No ... this is not a function because a function cannot have any repeating x values. They can have repeating y values, just not the x ones.

    The domain is all the x values { 1 } ... if they are repeating, u only have to write it once.

    The range is all the y values { 3,5,7,9}
  2. 25 January, 22:46
    0
    f (x) = { (1,3), (1,5), (1,7), (1,9) }

    Domain = 1, 1, 1, 1

    Range = 3, 5, 7, 9
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