已知
是定义在R上的奇函数,当
时,
.
求
时,
的解析式;
问是否存在这样的非负数a,b,当
时,
的值域为
?若存在,求出所有的a,b值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a154aa77357cb73cbcd37275d873a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ef47ce5e66170547ec76a3871d9317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db053b743c6ecbf87eb04fd8041b4c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c8a5c98e07be97b1ad18ec58670093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e77a0d0d4dd1f84e50769f72b2c485.png)
更新时间:2019-12-18 20:49:23
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解答题-问答题
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较难
(0.4)
【推荐1】设函数
是定义在
上的奇函数,当
时,
(a为实数);
(1)当
时,求函数
的解析式;
(2)若
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在
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(3)是否存在a,使得当
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.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62602e67c16d15e326b0af6ac8fa3fa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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(3)是否存在a,使得当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-问答题
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较难
(0.4)
解题方法
【推荐2】已知函数
为奇函数,其中a为常数.
(Ⅰ)求常数a的值;
(Ⅱ)判断函数
在
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(Ⅰ)求常数a的值;
(Ⅱ)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6378b41e4e29ff22781a50272c6c6ed.png)
(Ⅲ)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4541b5217f95c408117161ff586d060c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db0809b7a2dadf59a982ca137dd189.png)
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解答题-问答题
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较难
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba2b5be7953462b868d08eb8013b191.png)
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较难
(0.4)
名校
【推荐2】已知函数
,且
,其中
为奇函数,
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
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(1)求
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(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1a038f4c841234bea5f4da78383d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e9847cfaec82a05eb0b24bf4707cbb.png)
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解答题-证明题
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较难
(0.4)
名校
解题方法
【推荐3】已知函数
是定义在
上的奇函数,且
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(1)求
,
的值;
(2)用定义法证明函数
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(3)若
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,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07911592d9cb6471a47b72f42769090c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad19d9b057bd7b2207dabe260e7bde86.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)用定义法证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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(3)若
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