名校
1 . 设函数
.
(1)当
时,求不等式
的解集;
(2)对
,都有不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2747c1d5f69039ecc5568a8887d24648.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904caee5239c84d0396fb87cbc8e8043.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8e71378a3c5818b9e3e41ef7a4ac1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f080a0ac55d5392e9a702199352dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d3be09c2ae917cb0ba87fa5bb0eec2.png)
(1)求不等式
的解集;
(2)若不等式
对任意
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d3be09c2ae917cb0ba87fa5bb0eec2.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61db73a5a9bce4ece8259a4c7d29376.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e75714869c148cdb364ea947d7bd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
您最近一年使用:0次
2019-09-11更新
|
414次组卷
|
3卷引用:重庆市区县2018-2019学年高二下学期期末数学(理)试题
3 . 设函数
,
.
(1)若不等式
的解集为
,
,
,求
,
的值;
(2)若
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1401f15d830782ec64544ad011214a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602bf58c4d66fe3884bd922fb4a89694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89e97e8123511f09ba98137beb0d941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1b0b4297c4d8334a746e14e588e605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8f386c45b8fed55990673644a0b23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db355328fdb51b10764c8606904cb741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-06-21更新
|
442次组卷
|
4卷引用:【省级联考】重庆市2019届高三高考全真模拟考试(文)数学试题