作者devsai01 (＊獄兔＊)
看板Math
標題[微積] 微積分應用題
時間Sun Nov 6 15:23:55 2011
題目:
A company is increasing the production of a product at the rate of 15units
per week. the demand and the cost functions for the product are given by
P = 50-0.02x and C = 4000+40x-0.05(x平方).Find the rate of change of the
profit with respect to time when the weekly sales are x=500 units.
上課時老師用中文講都聽得懂，但是題目變成英文之後就有點難理解...
想要請問是否有板友可以幫忙解答此題題義?
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1F：推 playmypig :你先找出Profit Function吧!之後再用運用微分,之後再 11/06 18:29
2F：→ playmypig :代x=500進去 11/06 18:30
3F：→ devsai01 :謝謝樓上! 11/06 23:55