名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281eb314ac1e5fac77aa77f18f130fa.png)
1
当
时,求不等式
的解集;
2
若关于x的不等式
有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5281eb314ac1e5fac77aa77f18f130fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5036e26e77152eb05955d2aceca93950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3796b30fdd80b4bdc34ef90c338a01aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9a86e539e52dda14dba678aacd00e9.png)
您最近一年使用:0次
2019-04-16更新
|
549次组卷
|
5卷引用:【全国百强校】内蒙古杭锦后旗奋斗中学2018-2019学年高二下学期期中考试数学(文)试题
2 . 化简求值
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a7a8a63528aa5ae4356d4ff5a61a3f.png)
(2)若
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a7a8a63528aa5ae4356d4ff5a61a3f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d08a92e6ed65682f54180581ed304a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285a747b05615c881a56f357e303c2c3.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)当
时,解关于
的不等式
;
(2)若对任意
,都存在
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d9c61d97927fe35270fb41363cbf8c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b45f8224a638bb503ccb01749cfeb1.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec80634a6e2b2c85f845fa368b3a5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba8542fbe02e78cf3948c9abea9855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d095844022a8ed5fefc23b24878d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-04-22更新
|
470次组卷
|
2卷引用:2020届内蒙古包头市高三第一次模拟考试 数学(理)试题