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Let f^-1 be the inverse of f(x)=(x^3)+2. Then f^-1(x)= ?

by Guest65313  |  earlier

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Can anyone help explain how to get the answer?

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  1. y = x^3+ 2

    we need to get x in terms of y

    x^3 = y

    x = (y-3)^(1/3)

    so f^-(x) = (x-3)^(1/3)

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