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15 October, 13:58

Given f (x) = - x - 2, find x when f (x) = 12.

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Answers (2)
  1. 15 October, 15:31
    0
    Replace all x's in the original problem with the f (x) in the given. In this case, f (x) = 12 so you would plug that into the original. This would make it:

    f (x) = - (12) - 2

    f (x) = - 12 + - 2

    X = - 14
  2. 15 October, 16:22
    0
    Answer:-x-2=12

    therefore, x=-14
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