We receive … when the price per pizza is … ____

, we make and sell x pizzas. The income is R(x) = ax + bx2 and the cost is C(x) = c + dx + ex2.

We receive $R(x)=ax+b{x}^2$ when the price per pizza is $p(x)=$ ____. In reverse: When the price is $p$ we sell $x=$ ____ pizzas (a function of $p$). We expect $b<0$ because ____.

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.2 Maximum and Minimum Problems, #32