Question
If $f$ and $g$ are functions such that $f(g(x))=x$ and $g(f(x))=x,$ then the function $g$ is the ________ function of $f,$ and is denoted by ________.
Step 1
Similarly, for every $x$ in the domain of $f$, $g(f(x))$ is equal to $x$. Show more…
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