If $f(x) = x + 1$ and $g(x) = x^2 + 3$, what is the value of $f(g(2))$?
To evaluate $f(g(2))$, I need to first find $g(2)$ and then plug it into $f$. So, $g(2) = 2^2 + 3 = 4 + 3 = 7$. Now, I can substitute $7$ for $x$ in $f$, and get $f(7) = 7 + 1 = 8$. Therefore, $f(g(2)) = 8$. 