Mathematics, 18.10.2020 01:01, reggiegilbert1995

Algebraiclly proof that f(x)=1/4x^2-9 and f^-1(x)=4x+36 are inverses

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Algebraiclly proof that f(x)=1/4x^2-9 and f^-1(x)=4x+36 are inverses...