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16 March, 11:58

Given that f (x) = 5x-10 qnd g (x) = 1/5 x+2 find (f*g) (x)

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  1. 16 March, 12:06
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    x^2 + 8x-20

    Step-by-step explanation:

    f (x) = 5x-10 qnd g (x) = 1/5 x+2

    f*g = (5x-10) (1/5 x+2)

    FOIL

    first: 5x*1/5x = x^2

    outer: 5x*2 = 10x

    inner: - 10*1/5x = - 2x

    last: - 10*2 = - 20

    Add them together = x^2 + 10x - 2x - 20

    x^2 + 8x-20
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