Solve the problem.For the total-cost functionC(x) = 0.01x2 + 0.8x + 50,find ?C and C'(x) when x = 50 and ?x = 1.

A. ?C = $1.81; C'(50) = $1.80
B. ?C = $1.81; C'(50) = $1.30
C. ?C = $1.00; C'(50) = $1.00
D. ?C = $1.81; C'(50) = $1.00


Answer: A

Mathematics

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