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某工厂的成本函数是 C(q) = 200 + 8q ,收入是 R(q) = 12q 。(a) q 为多少时利润为零?(b) q = 100 时利润是多少?
某工厂的成本函数是 C(q) = 200 + 8q ,收入是 R(q) = 12q 。(a) q 为多少时利润为零?(b) q = 100 时利润是多少?
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