解题方法
1 . 设
是实数,
,
(1)已知
是奇函数,求
;
(2)用定义证明:对于任意
在
上为增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa12fe1a26b6d1d5a667d0eea942284a.png)
(1)已知
![](https://img.xkw.com/dksih/QBM/2015/11/10/1572284924084224/1572284929990656/STEM/ca4a4342dae2467cbc85016552d609b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)用定义证明:对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598b2b5e4be479f37038ade0bf22e2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
您最近一年使用:0次
11-12高一·辽宁大连·期末
解题方法
2 . 已知函数
满足对一切
都有
且
,当
时有
.
(1)求
的值;
(2)判断并证明函数
在
上的单调性;
(3)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161d1fa052b4b7b1d991da282b6bf84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a1ec7bcc711bfc514425c7a976fe8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b530377e3fe56b7988935dd73d9dccd.png)
(2)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
(3)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb33ccd9040a106849d16dd178d98b29.png)
您最近一年使用:0次
11-12高三上·河北邢台·阶段练习
3 . 已知函数
满足
,其中
且
.
(1)求
的解析式;
(2)判断并证明
的单调性;
(3)当
时,
的值恒为负数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c279a2d7f9d68eee97e42f5a7a46ef5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9920122b3dd0915047436c6227a7afd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caacc239e15792c2955b93717cb7d680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知定义在区间
上的函数
,其中常数
.
(1)若函数
分别在区间
上单调,试求
的取值范围;
(2)当
时,方程
有四个不相等的实根
.
①证明:
;
②是否存在实数
,使得函数
在区间
单调,且
的取值范围为
,若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9eca1510647f9b40cf7ce69c3757f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26337502f8a07b4655416be99c2c09b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
(1)若函数
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792483540934656/1793041726971904/STEM/6318e0e1e1f84a3da44c6ac2c1beaef2.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e670e88873b35b46ad6d193d8a55e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16df3112ff53691d26bca57f85cdc3b.png)
②是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792483540934656/1793041726971904/STEM/6318e0e1e1f84a3da44c6ac2c1beaef2.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792483540934656/1793041726971904/STEM/6318e0e1e1f84a3da44c6ac2c1beaef2.png?resizew=36)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-03更新
|
1139次组卷
|
4卷引用:2015-2016学年湖北宜昌市一中高一上期中考试数学试卷
解题方法
5 . 已知![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/377feac7aa2f4ee3ab71a8dc053a6d0e.png)
(1)判断
在
上的单调性,并证明.
(2)设
,且
在
上是单调函数,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/377feac7aa2f4ee3ab71a8dc053a6d0e.png)
(1)判断
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/59d6f36ce763402a858a552f5cb1739b.png)
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/592a7e29d87d4222b9000e9570915d41.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/8aff93ccd3b547c78fce9c4b946dc1ad.png)
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/87edbff709c6446da0d9c0691268b5e9.png)
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/592a7e29d87d4222b9000e9570915d41.png)
![](https://img.xkw.com/dksih/QBM/2015/11/16/1572289298104320/1572289303502848/STEM/f428e7222d834440892d4f6ff4c86436.png)
您最近一年使用:0次
11-12高一上·四川攀枝花·阶段练习
名校
6 . 已知
是定义在
上的函数,当
时,
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd522b593f298eefe8bcdee91eaa16f.png)
(1)求
的值;
(2)证明:
在
上为增函数;
(3)若
,求满足不等式
的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd522b593f298eefe8bcdee91eaa16f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6777ed85586d16f88241c238662ec32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9533e16e5ed74e1d73b0a0095ea37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次