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31 December, 21:42

If f (x) = 2 ^{2} - x, find f (-3).

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Answers (2)
  1. 31 December, 21:55
    0
    Fx=2x-x

    f=2x/x-x

    f=2-x

    -3*f=-3f

    -3f=-3 * (2-x)

    -3f=-6+3x
  2. 31 December, 21:59
    0
    Plug in - 3 for x. So 2^2 - - 3=4+3. The answer is 7. f (-3) = 7.
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