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math

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determine the inverse, f^-1, of f when f(x)= 5-2x^3

  • math - ,

    y = 5 - 2 x^3
    2x^3 = 5-y
    x = [(5-y)/2]^1/3

    f^-1(x) = [(5-x)/2]^1/3 is the inverse function. Plugging in f(x) gives you back x.

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