已知函数
,
.
(1)求函数
的单调区间.
(2)若对任意
,
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e48f11a34e3485af12293d58cae5b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f594869a8d14472e291c7aff47f93e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0391e39aaeb4e3cc883b0439d7f69d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2018-03-31 09:32:19
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适中
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【推荐1】已知函数
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(1)求
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(2)若
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b888d865d5dc07a32463bd765ddcc1.png)
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(1)讨论函数
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(2)当
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【推荐3】已知函数
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(1)求函数
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【推荐1】设函数
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适中
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解题方法
【推荐2】已知函数
.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46137e1c57c5367de8da5f4b6223c24a.png)
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【推荐3】如图,用一张边长为3的正方形硬纸板,在四个角裁去边长为
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取何值时,容积
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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(2)
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(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
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【推荐1】设函数
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解题方法
【推荐2】已知函数
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb140d3c2c4f67ac39de4b9592e04897.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
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(2)若函数
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名校
【推荐3】已知函数
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解答题-问答题
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适中
(0.65)
【推荐1】已知:
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(1)当
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