解题方法
1 . 给定函数
.
(1)求函数
的零点;
(2)证明:函数
在区间
上单调递增;
(3)若当
时,函数
的图象总在函数
图象的上方,求实数a的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b03909f8ea3237732f973d8a92690ad.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a203a74d5a74a3ba8bac4c48cd0a5d.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)判断
在区间
上的单调性,并用定义进行证明;
(2)设
,若
,
,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2299ba8b37e81821f1a2dcfaba653.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79443c01560009d20b83d5db9e821d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38d024f56bc9e5f7530da6bf1477e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa6ea2f4781d926089ccd7f40952cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)判断函数
的奇偶性,并证明你的结论;
(2)证明函数
在
上是减函数;
(3)写出函数
在
上的单调性(结论不要求证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a6c9fb833222c90628ea81e64ddbeb.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bee52d6517d5176dff669b8d93f7d1.png)
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2023-01-05更新
|
781次组卷
|
4卷引用:北京市西城区2022-2023学年高一上学期数学期末试题
北京市西城区2022-2023学年高一上学期数学期末试题北京市第十五中学南口学校2023-2024学年高一上学期期中考试数学试题(已下线)3.2.2 奇偶性-高一数学同步精品课堂(人教A版2019必修第一册)(已下线)期末真题必刷常考60题(34个考点专练)-【满分全攻略】(人教A版2019必修第一册)
解题方法
4 . 函数
的定义域为
,且
,都有
,给出下列四个结论:
①
或
;
②
一定不是偶函数;
③若
,且
在
上单调递增,则
在
上单调递增;
④若
有最大值,则
一定有最小值.
其中,所有正确结论的序号是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d241d0da41282a2f77e0cdd2bd1ca2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9414348d57c7fc77dcfa8f0744cb0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中,所有正确结论的序号是
您最近一年使用:0次
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3卷引用:北京市西城区2022-2023学年高一上学期数学期末试题
名校
解题方法
5 . 已知
且
,函数
在R上是单调减函数,且满足下列三个条件中的两个.
①函数
为奇函数;②
;③
.
(1)从中选择的两个条件的序号为_____,依所选择的条件求得
____,
____;
(2)利用单调性定义证明函数
在
上单调递减;
(3)在(1)的情况下,若方程
在
上有且只有一个实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fddb1b1e4b0b8eb17095e644ff0c1f1.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26adb8926e85d93d87e254077e251d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17d5250c5d7f56bc5750bbb1c1182d9.png)
(1)从中选择的两个条件的序号为_____,依所选择的条件求得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
(2)利用单调性定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21c3e410f4ca150122cbf1baaec812d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)在(1)的情况下,若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bfcba69656a2f800a54ac9298ec1b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2卷引用:北京市海淀区2022-2023学年高一上学期期末数学试题
6 . 已知函数
,
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
(1)求
值;
(2)判断函数
的奇偶性,并用定义给出证明;
(3)用定义证明
在区间
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3efdb4474748c4862b8098482a6ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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2023-01-04更新
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328次组卷
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3卷引用:北京市怀柔区2022-2023学年高一上学期期末考试数学试题
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba7ded1c94e54e4da8e97c32e5c8dc7.png)
(1)求
的值;
(2)判断
的奇偶性,并说明理由;
(3)判断
的单调性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba7ded1c94e54e4da8e97c32e5c8dc7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33aef983a2bb0a57953ed0b08e6b6fc7.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
为奇函数.
(1)求
的值;
(2)判断
的单调性,并用函数单调性的定义证明;
(3)对于任意
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7e8a05406d2799cd693d9a42f6e12d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df671766af4288d2780c7847a8b366ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 定义在
上的奇函数
,满足
且对任意的正数
,有
,则不等式
的解集是( )
![](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/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b02539c3c06283f36c0834dce31b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f119ab32307a3bcf40395e8ce77a1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bc5aff7845591a960873941c4d5b4f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
10 . 已知函数
对任意实数m、n都满足等式
,当
时,
,且
.
(1)判断
的奇偶性;
(2)判断
的单调性,求
在区间
上的最大值;
(3)是否存在实数a,对于任意的
,
,使得不等式
恒成立.若存在,求出a的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0da06ad1d5e9de8e33b855293497ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef32dce2563464a34f4d35be6b22d18.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156a11723228de4e8d9db379db944c1b.png)
(3)是否存在实数a,对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4c79d578d4b0d74b84c3f6579e8806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc4c7c7fddcaec08902138bd0aad74e.png)
您最近一年使用:0次
2022-12-28更新
|
1824次组卷
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8卷引用:北京师范大学附属中学2022-2023学年高一上学期期末数学试题