## Algebra 1: Common Core (15th Edition)

$S=-32p^{2}+960p$ In order to find the height of the parabola, use the equation $\frac{-b}{2a}$ $h=\frac{-b}{2a}=\frac{-960}{2(-32)}=15$ Thus, $p=15$ will produce the highest total sales (7200).