Solve the problem.Given the total-revenue functionR(x) = 5x,and the total-cost functionC(x) = 0.01x2 + 2.2x + 80,if P(x) is the total profit function, find ?P and P'(x) when x = 100 and ?x = 1.

A. ?P = $4.19; P'(100) = $4.20
B. ?P = $5.19; P'(100) = $5.20
C. ?P = $0.79; P'(100) = $0.80
D. ?P = $1.79; P'(100) = $1.80


Answer: C

Mathematics

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