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1、精品办公文档一、某商品现在的售价为每件60 元,每星期可卖出300 件,市场调查反映:每涨价2 元,每星期少卖出20 件。已知商品的进价为每件40 元,如何定价才能使利润最大?分析:本题用到的数量关系是:(1)利润=售价-进价(2)销售总利润=单件利润销售数量问题 1:售价为x元时,每件的利润可表示为(x-40)问题 2:售价为x元,售价涨了多少元?可表示为(x-60)问题 3:售价为x元,销售数量会减少,减少的件数为-60202x(件)问题 4:售价为x元,销售数量为y(件),那么 y 与 x 的函数关系式可表示为-60300202xy=30010(60)x=10900 x因为0600 xx
2、f自变量 x 的取值范围是60 x问题 4:售价为x元,销售数量为y(件),销售总利润为W(元),那么 W 与 x 的函数关系式为(4 0)Wxy=(40)(10900)xx=210130036000 xx问题 5:售价为x元,销售总利润为W(元)时,可获得的最大利润是多少?因为(40)Wxy=(40)(10900)xx=210130036000 xx=210(130)36000 xx=22210(13065)6536000 xx=210(65)42250 36000 x=210(65)6250 x所以可知,当售价为65 元时,可获得最大利润,且最大利润为6250 元二、某商品现在的售价为每件
3、60 元,每星期可卖出300 件,市场调查反映:每降价2 元,每星期可多卖出40 件,已精品办公文档知商品的进价为每件40 元,如何定价才能使利润最大?分析:本题用到的数量关系是:(1)利润=售价-进价(2)销售总利润=单件利润销售数量问题 1:售价为x元时,每件的利润可表示为(x-40)问题 2:售价为x元,售价降了多少元?可表示为(60-x)问题 3:售价为x元,销售数量会增加,增加的件数为60402x(件)问题 4:售价为x元,销售数量为y(件),那么 y 与 x 的函数关系式可表示为60300402xy=30020(60)x=201500 x因为0600 xxf所以,自变量x 的取值范
4、围是060 x问题 4:售价为x元,销售数量为y(件),销售总利润为W(元),那么 W 与 x 的函数关系式为(4 0)Wxy=(40)x(201500 x)=220230060000 xx问题 5:售价为x 元,销售总利润为W(元)时,可获得的最大利润是多少?因为(40)Wxy=(40)x(201500 x)=220230060000 xx=220(115)60000 xx=22211511520115)6000022xx=211520()66125600002x=220(57.5)66125 60000 x=220(57.5)6125x所以可知,当售价为57.5 元时,可获得最大利润,且最
5、大利润为6125 元三、某商品现在的售价为每件60 元,每星期可卖出300 件,市场调查反映:每涨价2 元,每星期少卖出20 件;每降价 2 元,每星期可多卖出40 件,已知商品的进价为每件40 元,如何定价才能使利润最大?分析:调整价格包括涨价和降价两种情况,即:(1)涨价时,虽然销售数量减少了,但是每件的利润增加了,所以可以使销售过程中的总利润增加文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编
6、码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C
7、7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编
8、码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C
9、7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编
10、码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C
11、7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2精品办
12、公文档(2)降价时,虽然每件的利润减少了,但是销售数量增加了,所以同样可以使销售过程中的总利润增加本题用到的数量关系是:(1)利润=售价-进价(2)销售总利润=单件利润销售数量根据题目内容,完成下列各题:1、涨价时(1)售价为x 元,销售数量为y(件),那么 y 与 x 的函数关系式可表示为-60300202xy=30010(60)x=10900 x因为0600 xxf自变量 x 的取值范围是60 x(2)售价为x 元,销售数量为y(件),销售总利润为W(元),那么 W 与 x 的函数关系式为1(40)Wxy=(40)(10900)xx=210130036000 xx(3)售价为 x 元,销售
13、总利润为W(元)时,可获得的最大利润是多少?1W=(40)(10900)xx=210130036000 xx=210(130)36000 xx=22210(13065)6536000 xx=210(65)42250 36000 x=210(65)6250 x所以可知,当售价为65 元时,可获得最大利润,且最大利润为6250 元2、降价时:(1)售价为x 元,销售数量为y(件),那么 y 与 x 的函数关系式可表示为60300402xy=30020(60)x=201500 x因为0600 xxf所以,自变量x 的取值范围是060 x(2)售价为x 元,销售数量为y(件),销售总利润为W(元),那
14、么 W 与 x 的函数关系式为文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:
15、CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S
16、6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:
17、CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S
18、6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:
19、CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S
20、6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2精品办公文档2W=(40)xy=(40)x(201500 x)=220230060000 xx(3)售价为x 元,销售总利润为W(元)时,可获得的最大利润是多少?因为2W=(40)x(60300402x)=(40)x(201500 x)=220230060000 xx=220(115)60000 xx=2221151152011
21、5)6000022xx=211520()66125600002x=220(57.5)6612560000 x=220(57.5)6125x所以可知,当售价为57.5 元时,可获得最大利润,且最大利润为6125 元本题解题过程如下:解:设售价为x 元,利润为W(1)涨价时,1W=(40)x(300-60202x)=(40)(10900)xx=210130036000 xx=210(130)36000 xx=22210(13065)6536000 xx文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3
22、L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9
23、S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3
24、L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9
25、S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3
26、L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9
27、S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3
28、L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2精品办公文档=210(65)42250 36000 x=210(65)6250 x所以可知,当售价为65 元时,可获得最大利润,且最大利润为6250 元(2)降价时,2W=(40)x(300+60402x)=(40)x(201500 x)=220230060000 xx=220(115)60000 xx=22211511520115)6000022xx=211520()66125600002x=220(57.5)66125 60000 x=220(57.5)6125x所以可知,当售价为57.5 元时,可
29、获得最大利润,且最大利润为6125 元综上所述,售价为65 元或售价为57.5 元时,都可得到最大利润,最大利润分别为6250 元或 6125 元。四、某商品现在的售价为每件60 元,每星期可卖出300 件,市场调查反映:每涨价2 元,每星期少卖出20 件;每降价 2 元,每星期可多卖出40 件,已知商品的进价为每件40 元,为尽快清仓库存,如何定价才能使利润最大?解:设售价为x 元,利润为W(1)涨价时,1W=(40)(10900)xx=210130036000 xx=210(130)36000 xx=22210(13065)6536000 xx=210(65)42250 36000 x=2
30、10(65)6250 x所以可知,当售价为65 元时,可获得最大利润,且最大利润为6250 元文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F
31、9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H
32、3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F
33、9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H
34、3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F
35、9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H
36、3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2精品办公文档(2)降价时,2W=(40)x(201500 x)=220230060000 xx=220(115)60000 xx=22211511520115)6000022xx=211520()66125600002x=220(57.5)66125 60000 x
37、=220(57.5)6125x所以可知,当售价为57.5 元时,可获得最大利润,且最大利润为6125 元综上所述,售价为65 元或售价为57.5 元时,都可得到最大利润,最大利润分别为6250 元或 6125 元。因为,为了尽快减少库存,所以应该采用降价销售。因此售价应为57.5 元。(1)列出二次函数的解析式,并根据自变量的实际意义,确定自变量的取值范围;(2)在自变量的取值范围内,运用公式法或通过配方求出二次函数的最大值或最小值。求最大利润,学生版文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6
38、H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7
39、F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6
40、H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7
41、F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6
42、H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7
43、F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6
44、H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2精品办公文档一、某商品现在的售价为每件60 元,每星期可卖出300 件,市场调查反映:每涨价2 元,每星期少卖出20 件。已知商品的进价为每件40 元,如何定价才能使利润最大?分析:本题用到的数量关系是:(1)利润=售价-进价(2)销售总利润=单件利润销售数量问题 1:售价为x元时,每件的利润可表示为_ 问题 2:售价为x元,售价涨了多少元?可表示为_ 问题 3:售价为x元,销售数量会减少,减少的件数为_(件)问题 4:售价为x元,销售数量为y(件),那么 y 与 x 的函数关系式可表示为问题 4:
45、售价为x元,销售数量为y(件),销售总利润为W(元),那么 W 与 x 的函数关系式为问题 5:售价为x元,销售总利润为W(元)时,可获得的最大利润是多少?文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6
46、C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档
47、编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6
48、C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档
49、编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6
50、C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档编码:CL1N2S7F9S7 HM6Q6C7S6N7 ZB6H3L8G1T2文档