名校
1 . 已知函数
(其中
).
(1)当
时,求不等式
的解集;
(2)若关于
的不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3152ccc9c00f6d5408f2b791a2743699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b624d88827e92e12bc0a8f1067cbe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a8a9f4f0d6590de86becb733bd1b6b.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c76138b8c88dfddfa04040c1f0fe3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-21更新
|
257次组卷
|
2卷引用:广西南宁市第二中学2018-2019学年高一下学期期末数学(文)试题
名校
2 . 已知函数
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5697603eff7bff583de81f91b6108c70.png)
(1)若
,求不等式
的解集;
(2)若对任意
,均存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03823aed9f4258ca0a176b428b5d7a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5697603eff7bff583de81f91b6108c70.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0879734ee766cb630cfeb3f25fea7d.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75dd4f70d18ea508bb20adbdbe25a26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db002c8e22c0fd4aefeb943ea57db25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d095844022a8ed5fefc23b24878d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-06-25更新
|
1284次组卷
|
2卷引用:【全国百强校】广西南宁市第三中学2018-2019学年高一上学期期末考试数学试题