作者bitchdog (超人会隐形)
看板trans_math
标题[微分] 93中兴电商
时间Mon Jan 7 22:57:46 2008
One company has found that the relationship between demand x
and price p for a product can be modeled by p= 30
---- .
√x
The cost of the producing x units is given by C=3x+500.
What price per unit will yield a maximum profit
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摆脱拙劣 更上层楼的不二法门
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◆ From: 122.122.66.126
1F：→ yhliu:Profit P(x) = xp(x)-C(x) = 30√x-3x-500218.174.210.208 02/04 15:05