21-22高一·湖南·课后作业
解题方法
1 . 已知幂函数
的图象经过点
,求函数的解析式,并作出该函数图象的草图,判断该函数的奇偶性和单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89813b958012156f03283a0a01643c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c40c377cf27fd3c57fbe9d5a5c6754.png)
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21-22高一·湖南·课后作业
解题方法
2 . 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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21-22高一·湖南·课后作业
3 . 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
解题方法
4 . 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
5 . 如图是函数
的图象.列出
的若干区间,说明它在各区间上的增减性,并指出该函数的最大、最小值点及最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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21-22高一·湖南·课后作业
解题方法
6 . 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
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 . 若偶函数
在区间
上递减且在区间
上递增,试讨论
在区间
上的增减性,并进一步讨论
为奇函数的情形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5b6042af67164759ff1ca839e5f665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a78f47c278e403d9522e8333288714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c02b788a26c366b04c5aa8985e0a752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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21-22高一·湖南·课后作业
解题方法
9 . 某市对家庭每月用水的收费规定为:若用水量不超过基本月用水量
,则只付基本费8元和损耗费
元(
);若用水量超过基本月用水量,则除了需付基本费和损耗费外,超过部分还需按
元
进行付费.已知该市某家庭1—3月的用水量分别为
,
和
,其支付的费用分别为9元,19元和33元.试写出每月支付费用
(元)关于月用水量
的函数,并画出函数的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf090346d9e8610df47cd19950736998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00d5d0f323a78951ceb046e68f6e892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91293ad12c4d0812604f29af9bc2aa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70e55f816b182201ad9a62e86d0b4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fa882483eec61b3394edc3548211af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fe783f10311be4e71e098027d9d2a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85989d362a00eff3b940d6472cb40e0.png)
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21-22高一·湖南·课后作业
名校
解题方法
10 . 已知
,试判断
在区间
上的单调性,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458cbf06122152fe8d62550c6873faa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
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2022-03-07更新
|
430次组卷
|
4卷引用:复习题三2