设
,式中变量
、
满足条件
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cadf19200d2672557f1b1549e605813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
2020高三·全国·专题练习 查看更多[2]
更新时间:2020-11-26 17:46:31
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【知识点】 根据线性规划求最值或范围解读
相似题推荐
解答题-应用题
|
较易
(0.85)
解题方法
【推荐1】某农场计划种植甲、乙两个品种的蔬菜,总面积不超过
亩,总成本不超过
万元.甲、乙两种蔬菜的成本分别是每亩
元和每亩
元.假设种植这两个品种的蔬菜,能为该农场带来的收益分别为每亩
万元和每亩
万元.问该农场如何分配甲、乙两种蔬菜的种植面积,可使农场的总收益最大,最大收益是多少万元?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b685c556cc423e4833c1dc671a134cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ac61206cb12cf6686bb0facf635010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dd550e1ad9bbf01687ffb4aab788ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7412fd1be21e4eaf388963a82ac2b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】(1)求不等式
的解集;
(2)设变量
,
满足约束条件
求目标函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d955abf83c00e84c161bdadee19102d1.png)
(2)设变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550aa2a5c683f751f3ca0cd73499f13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2ef922c078e004de25733193e187c9.png)
您最近一年使用:0次