已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28993d15b1d1d938425d09831d62429b.png)
(1)判断
在
上的单调性(不需要证明);
(2)若
在
上为单调函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28993d15b1d1d938425d09831d62429b.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70792aeffca5b422d35d9c06f36d1fdb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff4a1f5d3ad9d7668fe555e70b774c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-02-29 21:07:42
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解题方法
【推荐1】已知函数
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(1)若
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(2)若
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(3)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3e383174b251a0a6110702b27c6446.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499109aa338f9c5da30ae0a590809f3b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
【推荐2】设函数
是
上的奇函数,当
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(1)求
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(2)若
在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9cb4b48bdfbb1aa677e5d8dcc7ad8d.png)
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