Functions, graphs and inverses practice question 1

In $(f \circ g)(3)$, which function gets the 3 first, and which one acts on its output?

$(f \circ g)(3)$ means $f\bigl(g(3)\bigr)$. Work from the inside out.

Start by computing $g(3) = 3^{2} + 1$, then feed that single number into $f$.