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3 December, 20:34

If f (x) = square root x and g (x) = x^3-9, find the compositions f o g, g o f, f o f, and g o g.

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  1. 3 December, 20:58
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    F o g = sqrt (x^3 - 9)

    g o f = (sqrtx) ^3 - 9

    f o f = sqrt (sqrt x) or x^ (1/4)

    g o g = (x^3 - 9) ^3 - 9
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