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OpenStudy (anonymous):
verify that (fof^-1)(x)=(f^-1of)(x)=x f(x)=x^3-1 and f^-1(x)=cubedrt(x-1) is my inverse wrong? because when i work out (fof^-1)(x)=x i get f(x)=(cubedrt(x-1)^3-1 =x-1-1 =x-2 when it is just supposed to equal x.
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