已知定义域为
的函数
是奇函数.
(1)求
的值
(2)求
的值域;
(3)若对于任意
,不等式
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7652f36dcc03ec971cf266190e8107bb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c147912d6afbf3ec3d1576198bb2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2022-11-17 09:09:14
|
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适中
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解题方法
【推荐1】求下列函数在
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(1)
;
(2)
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(1)
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【推荐2】求下列函数的值域.
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;
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,
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;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2785ea12460c2c43feee3c45c2bfe5.png)
(2)
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(3)
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(4)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f97018f4217bda3c12926d1118edc04.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7ca729c86952763b8308d13e9cee12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed416d66239d99abaeee6f2a53af4b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b396687e8789f7e2d16456dc0dd021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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