已知点
满足
,
,则
(
为坐标原点)的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b014f829f49b62ceb1f180973e68fb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8bcb5ed0b626b2c45fc4fc23934eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-05-09 13:20:17
|
【知识点】 根据线性规划求最值或范围解读
相似题推荐
单选题
|
适中
(0.65)
解题方法
【推荐1】若实数
满足约束条件
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0678027560206ddce2696ca14e2ff1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75407f5349719aba26f58213459793eb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】已知实数
满足
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2b1c04f320639771c67acfd3e6813d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a604fb503b71292b3d991b650b431d3.png)
A.-10 | B.-4 | C.4 | D.6 |
您最近一年使用:0次