NEUHAUSER 3rd ed primary text
Sec. 5.3, p. 224-235, extrema, inflection points, graphing
Sec. 5.4, p. 237-243, optimization
NEUHAUSER 2nd ed
Sec. 5.3, p. 273-287, extrema, inflection points, graphing
Sec. 5.4, p. 289-295, optimization