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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.2 Maximum and Minimum Problems, #25 · Calculus · Optimization

At speed …, a truck uses … gallons of fuel per mile

At speed $v$ , a truck uses $a v + (b / v)$ gallons of fuel per mile. How many miles per gallon at speed $v$ ? Minimize the fuel consumption. Maximize the number of miles per gallon.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.2 Maximum and Minimum Problems, #25

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