# What is g(4) if g(x)=x^2-5?

$g \left(4\right)$ shall correspond to the value of the function $g$ for the value of the independent variable $x = 4$
Thus, with $g \left(x\right) = {x}^{2} - 5$
$\implies g \left(4\right) = {4}^{2} - 5 = 16 - 5$
Thus, $g \left(4\right) = 11$