名校
1 . 已知函数
,
在点
处的切线方程为
.
(1)求
的解析式;
(2)求
的单调区间;
(3)若函数
在定义域内恒有
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b990cabe49da34e0127831ab57391ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfab8f6aaf05b1db2db85b60362f3047.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20e4c989757064c7e0b3aeed2be28b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2017-03-22更新
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3卷引用:吉林省延边朝鲜族自治州延吉市延边第二中学2022-2023学年高二下学期期中数学试题