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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.2 Maximum and Minimum Problems, #30 · Calculus · Optimization

In 31–34, we make and sell … pizzas

If the distance function is $f (t) = (1 + 3 t) / (1 + 3 t^{2})$ , when does the forward motion end? How far have you traveled? Extra credit: Graph $f (t)$ and $df / d t$ .

In 31–34, we make and sell $x$ pizzas. The income is $R (x) = a x + b x^{2}$ and the cost is $C (x) = c + d x + e x^{2}$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.2 Maximum and Minimum Problems, #30

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