## Precalculus (6th Edition)

Fill the blanks with ... $x$ ... $(g\circ f)(x)$ ..
Let $f$ be a one-to-one function. Then $g$ is the inverse function of $f$ if $(f\circ g)(x)=x$ for every $x$ in the domain of $g$, and $(g\circ f)(x)=x$ for every $x$ in the domain of $f$. --------------- Fill the blanks with ... $x$ ... $(g\circ f)(x)$ ...