21-22高一·湖南·课后作业
1 . 若已知函数f(x)=
是定义在(-1,1)上的奇函数,且f
=
,则函数f(x)的解析式为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe1459cade7c7de5a3ef594799014c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218a9f9ee5fe21c0c29bc598179b13fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
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21-22高一·湖南·课后作业
2 . 判断下列函数的奇偶性.
(1)f(x)=
;
(2)f(x)=x2(x2+2);
(3)f(x)=
;
(4)f(x)=
+
.
(1)f(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
(2)f(x)=x2(x2+2);
(3)f(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658e3d4cb05a3ba2df63d9b847413c51.png)
(4)f(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae270d1d4a21a0dd4cc2e1a69ea8ccc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cde59ad2309583f55e758313fb8bf1c.png)
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21-22高一·湖南·课后作业
解题方法
3 . 求证:定义于R上的两个奇函数的乘积是偶函数.
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21-22高一·湖南·课后作业
解题方法
4 . 设
是定义于
上的函数,
,讨论
的奇偶性;如果在
上
,试求它在
上的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d39bc2a70e7728d262b1dc271ae2295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2b53cd9892f6d174509740afbc69d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e58768fc0df02f60aa54d00fe063c52.png)
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21-22高一·湖南·课后作业
解题方法
5 . 判断下列函数的奇偶性
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df088857047ca89d776a593f34cf5d75.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e2b226e6de61395eeba250d3512b4e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293186c7e661b30f88e6267428ce773e.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6688dfb8a9aa621d056a805c88075483.png)
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21-22高一·湖南·课后作业
6 . 已知
,
分别是定义在R上的偶函数和奇函数,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d46ab884325ec4f927ff915096c466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a498b568d082a602cd54891f126d77f2.png)
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21-22高一·湖南·课后作业
7 . 设函数
的定义域为R,且
.若当
时,
,试确定
,
,
之间的大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3b657ebd1733b4f19dcbec44919924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f496911266e86ff15d128b01657838cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b458b3b34d26626054bbc9fcc26b5152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5f1c41b8575612ec482d2ecfa24617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85b3c26b67bfbe62d5414abee9e0340.png)
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21-22高一·湖南·课后作业
解题方法
8 . 设偶函数
的定义域为R,当
时,
是减函数,试确定
,
,
之间的大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4886e28e9ecd40f7edd25f25bde28453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3f80f81796bcecf12df8a78a641d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ff351614587c9202de8f0bf0290598.png)
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21-22高一·湖南·课后作业
解题方法
9 . 下列函数中,既是奇函数又是增函数的有哪些?
①
;②
;③
;④
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac11a6a57971621e4aa220349bc6fba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9856dfa834e969a4027910c2505c7a.png)
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21-22高一·湖南·课后作业
解题方法
10 . 已知函数
是定义在R上的偶函数,当
时,
,试求出函数
在R上的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f01b433792022b12215403d23570dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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