名校
1 . 已知函数
,
.
(1)若对任意
,
,不等式
恒成立,求
的取值范围.
(2)若存在
,对任意
,总存在唯一
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19788488566dd21424cfd733b404829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5f69e0ba9ab508126e0b1499b70b9c.png)
(1)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79c8048b437627dc13ab8c102539a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ca00140df8ba64ef3bdd53b9b5f164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd9ab4b70d371c16614f13b5eafe26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a88329d316ea99fffd369a54efe1a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e67ab789b6c7e1b14f6224de3891412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-12更新
|
2052次组卷
|
6卷引用:辽宁省阜新市实验中学2020-2021学年高三第一次月考理科数学试题
名校
2 . 已知函数
.
(1)设函数
,求
的单调递减区间;
(2)若函数
的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9fc1d3731b6cde045ddfce45737248.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060ad127512a256c7d73c7e7bb9ef4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46df9c3ccfc5192979c7a8925700d547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-09-12更新
|
511次组卷
|
2卷引用:辽宁省阜新市实验中学2020-2021学年高三第一次月考理科数学试题
名校
解题方法
3 . 在①
,②
,③
,这三个条件中任选一个补充在下面的问题中,并加以解答.已知______,若函数
为奇函数,且函数
的零点在区间
内,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd492d001a460384ca5c5ad7211561f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8b7f439aba0ee39f08e2712a2b2df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d8683f52ce5219e55a00650f889f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8607a07815ba5e1b80d0ab0c2da1bb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a3619ccbcf65312754a970647014e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-09-12更新
|
191次组卷
|
2卷引用:辽宁省阜新市实验中学2020-2021学年高三第一次月考理科数学试题