名校
1 . 已知函数
.
(1)若不等式
的解集为
,求实数
的值;
(2)若不等式
对任意的实数
R恒成立,求实数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4b80c0495ddfd6469c4e9bcc75484a.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fbb28c94f1cc96d2dc4ad031245480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c060d0d113e41c877135c71798301ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6258b8881e88860b037697eae1e2989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058fbc27ee9654d24ebda3d9e6991266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-11-06更新
|
356次组卷
|
2卷引用:【全国省级联考】天一大联考海南省2017-2018学年高中毕业班阶段性测试(三)文科数学试题
2 . 已知实数
满足
.
(1)若
,求实数
的取值范围;
(2)求
的最小值.
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647616045056/STEM/6ca613f5a7744ea3a6f9d6531b9f818c.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647616045056/STEM/23fb6bfeb4b24d9b8ff0787ffe94bdfb.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647616045056/STEM/eedeed73134149e9ab7bb2a3e350a474.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647616045056/STEM/2ea5ab1a8f514a67bca7d4957deb06d2.png)
(2)求
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647616045056/STEM/e225d93bc7fe41e29e89e611f9da814d.png)
您最近一年使用:0次
2016-12-04更新
|
208次组卷
|
2卷引用:2016届海南省海南中学高三考前高考模拟七理科数学试卷