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posted by Christa Monday, August 15, 2011 at 12:01am.
determine the inverse, f^-1, of f when f(x)= 5-2x^3
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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