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7 July, 16:24

Given f (x) = x^2-5 and g (x) = 20-x find (f-g) (2)

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  1. 7 July, 17:31
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    f-g = x^2-5 - (20-x)

    f-g = x^2 - 5-20+x

    f-g = x^2 + x-25

    f-g (2) = 2^2 + 2 - 25

    = 4+2-25

    = - 19
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