For the Given Function $g(x)$ , Find a Function $f(x)$ Such That $(f \circ g)(x)=x$

Multiple Choice

For the given function $g(x)$ , find a function $f(x)$ such that $(f \circ g) (x) =x$ .
- $g(x) =x+5$

A) $f(x) =5 x$
B) $f(x) =x-5$
C) $f(x) =x+5$
D) $f(x) =\frac{x}{5}$