已知函数
,
,且对于任意实数
,恒有
.
(1)求函数
的解析式;
(2)已知函数
在区间
上单调,求实数
的取值范围;
(3)若函数
有2个零点?求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def9f5e184790f77c06277422f1e563d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb23e4e18e2844d2691981b1d25e3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d100879abc7bb11142f8edb32df77071.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034f5a944e3485de4a31d3d79b19667d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4df9e817008329a4658fb988ea02bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
2011·江西赣州·一模 查看更多[3]
(已下线)2011届江西省赣县中学高三适应性考试文科数学广东省清远市阳山县南阳中学2023-2024学年高二下学期第一次月考数学试题(已下线)专题1 导数与函数的单调性(恒单调、存在单调区间、不单调)【练】
更新时间:2016-11-30 21:38:41
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困难
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【推荐1】已知函数
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(1)求证:方程
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【推荐2】设函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e654867ca6558df8a62171c8b0e220f.png)
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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(2)若
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【推荐1】设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ee798d0b8752ef055c31dde1b1000.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7832b03b1449c0c77f09b2d2e73e71.png)
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(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0c73a1455fc61a2239cb62de1f3c2c.png)
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【推荐2】已知函数
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