若函数
(
且
)的图象经过不等式组
所表示的平面区域,则
的取值范围是______ .
![](https://img.xkw.com/dksih/QBM/2016/9/12/1826276901347328/1826276901675008/STEM/5717032dd87f42a3a342b8d9b79ced31.png?resizew=99)
![](https://img.xkw.com/dksih/QBM/2016/9/12/1826276901347328/1826276901675008/STEM/7c491277a6f546aa83559f046585ba50.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/9/12/1826276901347328/1826276901675008/STEM/323b992ab4df4c9984172d1df295ab64.png?resizew=34)
![](https://img.xkw.com/dksih/QBM/2016/9/12/1826276901347328/1826276901675008/STEM/47fa82a7cb764b96b640607b5c0446c3.png?resizew=104)
![](https://img.xkw.com/dksih/QBM/2016/9/12/1826276901347328/1826276901675008/STEM/60ca527caf8a40a28e24bf2f802e2bd6.png?resizew=12)
2016高二·全国·课后作业 查看更多[2]
更新时间:2017-11-27 15:52:46
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【知识点】 根据最优解或最值求参数解读
相似题推荐
填空题-单空题
|
较难
(0.4)
解题方法
【推荐1】若
满足
,若
的最大值为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b405d2a9207aec4cbcf38b192fbdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98fc6b35ee283cf13b9cf9d8a9eeac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
填空题-双空题
|
较难
(0.4)
解题方法
【推荐2】对任意实数
,定义集合
.
(1)若集合
表示的平面区域是一个三角形,则实数
的取值范围是__________ ;
(2)当
时,若对任意的
,有
恒成立,且存在
,使得
成立,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfaa838dac9decff998a00a9c3b6150.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63666ed9a7dfd5b578b43d513468acff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501f639dd78ebce16348c8f780633a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc3c8dd865076a9164647911715d0cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501f639dd78ebce16348c8f780633a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d11999a519fa80be09db00bda76494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次