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共回答了20个问题采纳率:85% 举报
1. K = 10
[TP] Q = f(L) = 20L - .25 - .5*100 = 20L - 50.25
AP = Q/L = 20 - 50.25/L
MP = dQ/dL = 20
2. TP, AP 是L的单调函数 所以TP_max = +infty, L = +infty
AP_max = 20, L = +infty
MP是常值函数 MP_max = MP = 20
3. AP = MP => 20 - 50.25/L = 20 => L = +infty
此时产量最大化 TP = +infty
1年前
10