名校
解题方法
1 . 若函数
对定义域内的每一个值
,在其定义域内都存在唯一的
,使
成立,则称该函数为“依赖函数”.
(1)判断函数
是否为“依赖函数”,并说明理由;
(2)已知函数
在定义域
上为“依赖函数”,若存在实数
,使得对任意的
,不等式
都成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13ca0f27aa97d8d1bec1f6879f460d6.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4351bd617a7516709fbfdf31dc993c7.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b3cc08473fd879e63795139f628efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdae0482d51063c22282f2e49332526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc53c366cc45062f75b446f5e0420d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91b18127b51a93a54db0e96390bbf3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,
.
(1)若存在
,对任意
,
,求实数
的取值范围;
(2)若函数
,求函数
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fd573ad312da3c862627718e77575b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf4f868ee05af59275ace26167ed5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b55514ac04cb0b784c5e6e7d7e2f9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d07623327be6016313b677059cd77d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fad5c36c01dd889f2e4a496df4d64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
您最近一年使用:0次
名校
解题方法
3 . 若存在常数
、
,使得函数
对于
同时满足:
,
,则称函数
为“
”类函数.
(1)判断函数
是否为“
”类函数?如果是,写出一组
的值;如果不是,请说明理由;
(2)函数
是“
”类函数,且当
时,
.
①证明:
是周期函数,并求出
在
上的解析式;
②若
,
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121706e56023722591922af58fd1dd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5858dba99d7612311e93a49da16aaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297c81c2628b05a8f67744ddf04e9851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb72ca96da578351e459f9ce3dbe44d.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1417a39c99b1e6b489c7c033a0625af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc076c7f73dc9b6138bc40252cbbf22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-03-15更新
|
304次组卷
|
2卷引用:湖南省长沙市长郡中学2023-2024学年高一下学期寒假检测(开学考试)数学试题
解题方法
4 . 设函数
,其中
.
(1)若
,求函数
在区间
上的值域;
(2)若
,且对任意的
,都有
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d2c4d804f4c0120d38e2fc897a9c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0281bb7cc4443b78173da957b2cc0218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)根据函数单调性的定义,证明
在区间
上单调递减;
(2)若对
,
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3fd09aa6bd2c73f713869a28e38e30.png)
(1)根据函数单调性的定义,证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81286caf03b4ba649069a1e73a163ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7bec2b5d68a56315b5c84adea9e35b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
解题方法
6 . 已知定义在
上的函数
,且
是偶函数.
(1)求
的解析式;
(2)当
时,记
的最大值为
.
,若存在
,使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763c703dc84bae6cb12bff6e3b232f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c822c874e9ccc9ed9e0d126b01ce9d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16627a6c8ecdc63f57bd822efeecb734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee80c5a801e9ab6f4a077905769f1766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b332e5aaddab0b5f4cfb89248a905b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-28更新
|
524次组卷
|
4卷引用:湖南省长沙市麓山国际实验学校2023-2024学年高一下学期第一次学情检测数学试题
湖南省长沙市麓山国际实验学校2023-2024学年高一下学期第一次学情检测数学试题河南省驻马店市2023-2024学年高一上学期1月期终考试数学试题(已下线)第10题 动静转换求范围,构造函数是关键(优质好题一题多解)江西省宜春市宜丰中学2023-2024学年高一下学期3月月考数学试题
名校
7 . 已知实数a,b,满足
恒成立,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bc428c61a2b7aa70cf279f53fec704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.2 | B.0 | C.1 | D.4 |
您最近一年使用:0次
2024-01-13更新
|
238次组卷
|
3卷引用:湖南省长沙市湖南师范大学附属中学2023-2024学年高一下学期入学考试数学试卷
2024·全国·模拟预测
名校
解题方法
8 . 已知定义在R上的增函数
满足对任意的
,
都有
,且
,函数
满足
,
,且当
时
.若
在
上取得最大值的x值依次为
,
,…,
,取得最小值的x值依次为
,
,…,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed4b962f894789f6f2425808bc0207b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814445ae55e7426277e0f6888603ab34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef42db116c9e6d3e7bd43bf480f8e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c256edc75e653bce920838774ec2099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7dc1e8a59289716cac8383fc061998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132d41feaf28a5d96470d23780262b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18b60da4af2587479cc7e6d26cbfeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0ef4d624a3e7b2c420af3365009951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770cf3716f1e9dc8023a898df7f33783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e54e8deea5da9dc6bc82eb3de0c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4f8bdb238c2f177e2a41172765b82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed4b962f894789f6f2425808bc0207b.png)
您最近一年使用:0次
2024-01-05更新
|
1291次组卷
|
5卷引用:湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题
湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题湖南省衡阳市第八中学2024届高三下学期高考适应性练习(一)数学试题(已下线)2024年普通高等学校招生全国统一考试数学文科预测卷(二)江西省南昌市第二中学2024届高三“九省联考”考后适应性测试数学试题(一)(已下线)专题4 抽象函数问题(过关集训)(压轴题大全)
名校
解题方法
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92dfa9a25dcc9edd6c41f5b1ff6780dd.png)
的图象经过点
和点
,
.
(1)求函数
的解析式;
(2)设
,若对于任意
,都有
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92dfa9a25dcc9edd6c41f5b1ff6780dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6999cc41d0de41c4114f4adda1952ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ed0dabdc20e9268705173f71d38cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ddac37d332169a34598a63b4634b46.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6599ea826ebaf29f570826aa719029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05c94f95727f6820b926dbdae5a1c7e.png)
您最近一年使用:0次
2023-09-08更新
|
198次组卷
|
2卷引用:湖南省长沙市第一中学2023-2024学年高二上学期入学考试数学试题
名校
解题方法
10 . 已知
是偶函数,
是奇函数.
(1)求a,b的值;
(2)判断
的单调性,并加以证明;
(3)若不等式
在
上恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c4652fbe59246a24851822a41969d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe04cf4ee5678e0f3c31b3aaaba58880.png)
(1)求a,b的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b69f71cbbfd2d77e7d2488e9f42671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
您最近一年使用:0次