若实数x,y满足约束条件
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835eebc203ca6f4d20e888ad223c4569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299df29923cc415497698d3d7051cf02.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-09-06 17:37:05
|
【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
|
较易
(0.85)
解题方法
【推荐1】设实数
满足约束条件
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d91270a72e5a22e2238d893d16ee8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fad080dfba53e390b4e0280da3c8b5e.png)
A.![]() | B.4 | C.5 | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】若实数
,
满足不等式组
,则
的最大值为( )
![](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/65271084bfe0dda95e05b559c4de1bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3da18d31497e7c2ce5217d139f80e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次