拜託幫忙一下 師大99企管最後一題
The weekly cost to produce x widgets is given by C(x) =
75000+100x-0.03*X^2+0.000004*X^3 0<= x <= 10000 and the demand function for
the widgets is given by P(x)=200-0.005x , o<= X <= 10000 Assume that the
company sells exactly what they produce
(a) what are the marginal cost . marginal revenue and marginal profit when
2500 widgets are sold ??
(b) what are the marginal cost marginal revenue and marginal profit when
7500 widgets are sold ??
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