解题方法
1 . 设
是定义在R上的奇函数,且对任意实数x,恒有
,当
时,
.
(1)求证:
是周期函数;
(2)当
时,求
的解析式;
(3)计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3262781afb71e9dffc0b7fa1fe280cb2.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bee0917aecb4103c0943d25d8c9a98f.png)
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解题方法
2 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a773892246ca8b70b2d527497607493e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
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|
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解题方法
3 . 设
是定义在
上的奇函数,且对任意实数
,恒有
.当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651492c53f8747a2da821e502a813313.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a294ac176a455e749d73aedb6eb7f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86151899e2219e45528942fb7e85ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3262781afb71e9dffc0b7fa1fe280cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651492c53f8747a2da821e502a813313.png)
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解题方法
4 . 定义在R上的函数
满足
,且当
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc9538dc75c0bd581862acf38004b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1cddf04ce7f2b4015253d8b8a9bfcb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16274ed3be91f1c9b7abe08990442cf.png)
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5 . 下列命题为真命题的是( )
A.若幂函数![]() ![]() ![]() |
B.函数![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.函数![]() ![]() |
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6 . 设
是定义域为R的奇函数,且
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e1ec8c9912eca7d757bfdb3abf2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45af87a3c97cf74f6bd13977827315d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0b5758409731f247cb3063ef0948e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知函数
是定义在
上的奇函数,
且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b5320a6f673d6c2e70a815adaf2440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab1fdb6192af70b8cbfc47b3145b232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e059ebf5a00d881496fd5aa0d622d028.png)
A.![]() | B.2 | C.0 | D.5 |
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吉林省长春外国语学校2022-2023学年高三上学期开学数学试题海南省琼海市嘉积中学2022-2023学年高一下学期5月期中考试数学试题湖北省黄冈市浠水县第一中学2022-2023学年高二下学期期末数学试题(已下线)3.2.2 函数的奇偶性(精练)-《一隅三反》
8 . 已知定义在
上的偶函数
满足
,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d35dfba8fac73a5539301c632ebd1e0.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0ab106468d20a9240f9394e8c2cf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5394bf02021a82ea5642e6911e39ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d35dfba8fac73a5539301c632ebd1e0.png)
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解题方法
9 . 函数
,
满足
,当
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4e5eca39eead14e4f438f5a9aa30fb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad05719025457903d1b5d5c7b99f97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52f6ee8ead43c46f73102b87a2d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4e5eca39eead14e4f438f5a9aa30fb.png)
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解题方法
10 . 已知函数
为
上的奇函数,且
,当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b305bbd11c3b8ca42920372834df1945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966d9dd819cba29980da3700422c2497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5391593b13457454298c5ee523b40121.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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