How do you find the inverse of $f(x) = 3^x$ and is it a function?

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Answer 1 · 2016-04-30T18:00:02

Inverse function is $f(x)=0.91lnx$

Let $f(x)=y=3^x$

Hence, $x=log_(3)y=lny/ln3=0.91lnx$

Hence inverse function is $f(x)=0.91lnx$

How do you find the inverse of f(x) = 3^xf(x) = 3^x and is it a function?