已知函数
(
为常数).
(1)讨论
的单调性;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c207efd83d75c1f69237d97616c726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc8598f93ca2191188dcb31bb5ac802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-08-20 09:42:00
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6e1d0db0980774b5c2d650bfc2dda4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd9dd3920eb4f4dbd2e9f34fa7d95cc.png)
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