1 . 已知函数
.
(1)讨论
的单调性;
(2)若对任意
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82ccd0acc356909ad8682e4e58411a3.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-10-24更新
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2卷引用:云南省玉溪市2021—2022学年高二下学期期末教学质量检测数学试题