解题方法
1 . 已知函数
的定义域为
,值域为
,且对任意
、
,都有
,
.
(1)求
的值,并证明
为奇函数;
(2)若
时,
,且
,判断
的单调性(不要求证明),并利用判断结果解不等式
.
![](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/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da9144b3862e0742ad23181df7833f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bcf5aa44b81b3ebbfcb08bd4d21379.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3359f013aac2768a0c54cae1a95a158c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e7ff7777bcb4f8e80ebdc095cd9741.png)
您最近一年使用:0次
2017-10-17更新
|
507次组卷
|
2卷引用:山西省河津三中2018届高三一轮复习阶段性测评文数试题
名校
2 . 已知函数
定义域为
,若对于任意的
,都有
,且
时,有
.
(1)证明函数
是奇函数;
(2)讨论函数
在区间
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e039085a8534d73fdd142c51aaf2faa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca88b72ac8dc9c7c137af932de90bc7.png)
(1)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
您最近一年使用:0次
2016-12-05更新
|
981次组卷
|
2卷引用:2016-2017学年山西大同一中高一10月月考数学试卷
名校
3 . 已知函数
.
(1)讨论函数
的奇偶性;
(2)求满足
的实数x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449c0a0b4269cf3c98b5552fbc1f24bb.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)判断函数
的奇偶性;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb232fdb9d46e5f70b7503d220f09bf.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e946a674113fce6e7cddfe47bdff92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca88b72ac8dc9c7c137af932de90bc7.png)
您最近一年使用:0次
2016-12-05更新
|
332次组卷
|
3卷引用:山西省大同市第一中学2018-2019学年高一上学期期中数学试题
名校
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3717ef8837dc2941ed6a187bb1ff1148.png)
(1)判断函数
的奇偶性,并说明理由
(2)当
时,判断函数
在
单调性,并证明你的判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3717ef8837dc2941ed6a187bb1ff1148.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
您最近一年使用:0次
2017-11-28更新
|
307次组卷
|
2卷引用:山西省太原市2017-2018学年高一上学期第一次测评(期中)数学试题
名校
6 . 已知函数f(x)=-x|x|+4x
(1)判断函数f(x)的奇偶性,并画出函数f(x)的图象.
(2)讨论方程f(x)=m的根的个数.
(1)判断函数f(x)的奇偶性,并画出函数f(x)的图象.
(2)讨论方程f(x)=m的根的个数.
您最近一年使用:0次
2018-11-29更新
|
140次组卷
|
2卷引用:【全国百强校】山西省长治市第二中学2018-2019学年高一上学期第二次月考数学试题
2011·山西晋中·一模
解题方法
7 . 已知函数
.
(1)求函数的定义域,并证明
在定义域上是奇函数;
(2)对于
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2553714b94b412f4b2ff53f5264df9.png)
(1)求函数的定义域,并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2553714b94b412f4b2ff53f5264df9.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d0b969f58a09dff5c32b43219e2080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f46e8518e9c9663cdd2df4457afdc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,且
.
(1)求m的值;
(2)判断
的奇偶性
(3)在
上
有最________(大或小)值是___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acce899605cc4c8f3edd448d3698dbff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0af419f4bc6f089e3304a477589d38.png)
(1)求m的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
10-11高一上·黑龙江大庆·期中
9 . 已知函数
,其中
且
.
(1) 判断
的奇偶性;
(2) 判断
在
上的单调性,并加以证明.
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/ecf9fed2e16f4b96b561f4eb16c24006.png)
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/b344712e90b847c8a7f261a9187cfd69.png)
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/651a0c6c1fe044fbbe639c0c1716fb84.png)
(1) 判断
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/7922a6c61e66463683787c29e02b3bde.png)
(2) 判断
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/7922a6c61e66463683787c29e02b3bde.png)
![](https://img.xkw.com/dksih/QBM/2012/9/13/1571013734768640/1571013740142592/STEM/859e44175966478782485e86adec90e5.png)
您最近一年使用:0次
解题方法
10 . 已知
,且
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9c5f9523c9f13660893fe59002ad88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176112cf91cf0d5028cca2252528ff35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
您最近一年使用:0次