Solve the problem.For the total-cost functionC(x) = 0.01x2 + 2.2x + 80,find ?C and C'(x) when x = 100 and ?x = 1.
A. ?C = $4.21; C'(100) = $4.20
B. ?C = $4.20; C'(100) = $4.20
C. ?C = $4.21; C'(100) = $2.22
D. ?C = $4.21; C'(100) = $3.20
Answer: A
Mathematics
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