已知函数
.
(1)若
,求
的单调区间;
(2)记函数
,若
恒成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2101148669e4d91bfcbb50ecaeeda959.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88b062b915f661ed2e3e2dabd8f7648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf90cf4872dc05f4c5d6e99bdb363668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9acfcfee22e0a4128ee72e96721f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高三上·河北·期中 查看更多[4]
河北省冀东名校2022-2023学年高三上学期期中调研考试数学试题(已下线)大题强化训练(10)(已下线)考点19 导数的应用--函数零点问题 2024届高考数学考点总动员新疆维吾尔自治区乌鲁木齐市第十一中学2024届高三下学期开学考试数学试题
更新时间:2022-11-28 16:02:35
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【推荐1】已知函数
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(2)当
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(1)若
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(2)若
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
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