数学应用题,(关于利润,成本) 商品每一次降价就能多销售一定的商品When a glass of lemonade at a lemonade stand was $o.75,400 glasses were sold.when the price was to $0.50,500 glasses were sold.Assume that the demand function
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![数学应用题,(关于利润,成本) 商品每一次降价就能多销售一定的商品When a glass of lemonade at a lemonade stand was $o.75,400 glasses were sold.when the price was to $0.50,500 glasses were sold.Assume that the demand function](/uploads/image/z/1009264-40-4.jpg?t=%E6%95%B0%E5%AD%A6%E5%BA%94%E7%94%A8%E9%A2%98%2C%EF%BC%88%E5%85%B3%E4%BA%8E%E5%88%A9%E6%B6%A6%2C%E6%88%90%E6%9C%AC%29+%E5%95%86%E5%93%81%E6%AF%8F%E4%B8%80%E6%AC%A1%E9%99%8D%E4%BB%B7%E5%B0%B1%E8%83%BD%E5%A4%9A%E9%94%80%E5%94%AE%E4%B8%80%E5%AE%9A%E7%9A%84%E5%95%86%E5%93%81When+a+glass+of+lemonade+at+a+lemonade+stand+was+%24o.75%2C400+glasses+were+sold.when+the+price+was+to+%240.50%2C500+glasses+were+sold.Assume+that+the+demand+function)
数学应用题,(关于利润,成本) 商品每一次降价就能多销售一定的商品When a glass of lemonade at a lemonade stand was $o.75,400 glasses were sold.when the price was to $0.50,500 glasses were sold.Assume that the demand function
数学应用题,(关于利润,成本) 商品每一次降价就能多销售一定的商品
When a glass of lemonade at a lemonade stand was $o.75,400 glasses were sold.when the price was to $0.50,500 glasses were sold.Assume that the demand function is linear and that the variable and fixed costs are $0.05 and $20,respectively.
数学应用题,(关于利润,成本) 商品每一次降价就能多销售一定的商品When a glass of lemonade at a lemonade stand was $o.75,400 glasses were sold.when the price was to $0.50,500 glasses were sold.Assume that the demand function
一杯柠檬水在柠檬水摊子是O.75元,共可售出400杯.当时的价格是0.50美元,可出售500杯.假设需求函数是线性的,可变成本和固定成本分别为$0.05和$20.
需求函数:Q-500=(500-400)/(0.5-0.75)(P-0.5)=>Q=-400P+700
成本函数:C=0.05Q+20
利润函数:L=R-C=PQ-C=-400P^2+700P-(-20P+55)=-400P^2+720P-55
P=0.9(此时Q=340)时L最大,Lmax=269
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