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17 January, 23:18

If f (x) = x-1/x g (x) = x-1 and h (x) = x+1 what is (g•h•f) (x)

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Answers (2)
  1. 18 January, 01:22
    0
    x - 1/x, which is also f (x)

    Step-by-step explanation:

    hf (x) = x - 1/x + 1

    hf (x) = x + 1 - 1/x

    ghf (x) = x + 1 - 1/x - 1 = x - 1/x = f (x)
  2. 18 January, 01:28
    0
    (f o f) (x) = f (f (x))

    = f (2x + 3)

    = 2 () + 3 ... setting up to insert the input

    = 2 (2x + 3) + 3

    = 4x + 6 + 3

    = 4x + 9Step-by-step
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