名校
1 . 已知函数
,
,且
在
上单调递增
(1)若
恒成立,求
的值;
(2)在(1)的条件下,若当
时,总有
使得
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b418ba4ab8c76e2ef62a1dc2a76643e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81989863e06341529f98f5fc542d220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ea52d222cd4e4a3ce1dd331adb22f3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d182b3c67471c4c6882ea9d718e029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)在(1)的条件下,若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e7d2fa48f923bb95d2dd7c7c19ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb70e0290f52259d123002f5e69ec26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-02-21更新
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6卷引用:江西省南昌市新建第二中学2022-2023学年高一下学期3月份学业水平考核数学试题