名校
1 . 已知函数
的值域为
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dca072b33a81f7e6883925eb5d145ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcd49beee8e494406bf89147c35d134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-24更新
|
328次组卷
|
3卷引用:上海交通大学附属中学2023-2024学年高一下学期开学考试数学试卷
名校
解题方法
2 . 已知
,
,其中
.
(1)若
,令函数
,解不等式
;
(2)若
,
,求
的值域;
(3)设函数
,若对于任意大于等于2的实数
,总存在唯一的小于2的实数
,使得
成立,试确定实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb2cbe1821926831cf9488fd586a05d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ccbf43e0675d01e092f02955bd5bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46e22204cbc2b089a3af37b46cf327b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d178b969b54c587052b4060d5ded9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a2096502f871b3a055d6b8ae69ac85.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ccbf43e0675d01e092f02955bd5bdc.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78520abb5560ce0b234ec5785044312a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5f4aadc17b6d5c9760a75fab7fb760.png)
您最近一年使用:0次
2019-11-15更新
|
371次组卷
|
3卷引用:上海市南洋模范中学2017-2018学年高三下学期开学考试数学试题