微积分marginal cost of manufacturing
The marginal cost of manufacturing x yards of a certain fabric is C‘(x) (in dollars per yard).
C'(x)=3-0.01x+0.000012x^2
Find the increase in cost ΔC if the production level is raised from 2000 yards to 4000 yards.
ΔC =
人气：436 ℃ 时间：2020-06-07 18:10:35
解答
直接积分 C'(x)=3-0.01x+0.000012x^2 上下线分别是2000到4000
结果是：170000
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