$(17)$ The partial fraction decomposition of $\frac{11}{(x-1)(x+2)}$ can written in the form of $\frac{f(x)}{x-1}+\frac{g(x)}{x+2}$

What type of function will the numerators $f(x)$ and $g(x)$ b $f(x)$ is

and $g(x)$ is

answer options are:

$($A$)($a$)$ Constant C

$($B$)$

$($a$)$ linear function $Ax+B$

Which

one for $f(x)$ &