1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e93aa746ec436ef3f412fb65f14401.png)
(1)求函数
的单调区间;
(2)若对任意
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e93aa746ec436ef3f412fb65f14401.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8450d9e13cbf90a6050fb300741b661a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-07-21更新
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520次组卷
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2卷引用:北京市怀柔区2022-2023学年高二下学期期末考试数学试题