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12 July, 17:40

16. If f (x) = 2x - 1 and g (x) = x2 - 2, find [g • fj (x).

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  1. 12 July, 17:57
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    x^2 - 2x - 1.

    Step-by-step explanation:

    (g - f) (x)

    = g (x) - f (x)

    = x^2 - 2 - (2x - 1) (Note we put the 2x - 1 in parentheses).

    = x^2 - 2 - 2x + 1

    = x^2 - 2x - 1.
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