Answer
$$\color{blue}{\bf{ 5 }}$$
Work Step by Step
We are given the two functions $\bf{f}$ and $\bf{g}$
$\bf{f(x) = x + 1}$ and $\bf{g(x) = x^2}$
and asked to find $f(g )(2)$
$ f(g )(2) = (g(2))+1)$
$g(2)=2^2$
$g(2)=4$
$f(g)= 4+1$
$f(g)= 5$
$$\color{blue}{\bf{ 5 }}$$