名校
解题方法
1 . 已知曲线
在点
处的切线为
,设
,
,2,…,
,
且
.
(1)设
是方程
的一个实根,证明:
为曲线
和
的公切线;
(2)当
时,对任意的
且
,
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6945a1d7d30dd1b29577440dcfaac9a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3677144defbef98e1f972147db393c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aadf9ab510510120699c5eee39ab18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36bca4b0fe91679de1f468ebe4021cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb37f9d67f549f095c671deaf116790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-12-26更新
|
585次组卷
|
3卷引用:河南省县级示范性高中2021-2022学年高三上学期8月尖子生对抗赛数学(文科)试题
名校
解题方法
2 . 已知函数
.若
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcff34358c13947d36e73ab54198704f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c094523640454b9ddfe3ac2a16f1fe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b382aaddf1ac38a9c21084036da09f3.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2024-02-29更新
|
187次组卷
|
3卷引用:河南省优质高中2023-2024学年高一下学期二月联考数学试卷
3 . 已知定义在
上的函数
与一组半径均不相等的圆
:
(
,
),则函数
的图象与这组圆
的所有交点的纵坐标之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bf484d49b10bf0bd7e4278aba74bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eae9cc3d9cebbae5ed1352f27821fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232c753e94442cf89732ce7e9ac0ee1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9120e5a78020acf76b7ba9a6e8ff8658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.0 | B.2024 | C.4026 | D.4048 |
您最近一年使用:0次
名校
解题方法
4 . 已知函数
下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4624d9f876af0f779e8696d4dc31fcec.png)
A.对![]() ![]() |
B.对![]() ![]() |
C.对![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2022-01-10更新
|
372次组卷
|
2卷引用:河南省周口市周口恒大中学2024届高三上学期期中数学试题
名校
解题方法
5 . 设函数
.
(1)是否存在
,使得
对
恒成立?若存在,试给出一个符合题意的实数
并加以证明;若不存在,请说明理由;
(2)若
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f5dc74e0634a2704cf9132ba638eed.png)
(1)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbb16c605d4cbd537fe1dae96707323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee9c7242982ba52348c1f760c7e0f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
6 . 已知函数
,若
,则
、
、
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b914f889d2a54708f48e306257f154b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef51a6f6b5c849923d9089d5af87ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07bc53a25f3809d1e49b80d9f68d8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c6a2bec7732bf3656df150142e72c9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-06-23更新
|
541次组卷
|
5卷引用:河南省商丘市部分学校联考2020-2021学年高二下学期阶段性测试(五)理科数学试题
河南省商丘市部分学校联考2020-2021学年高二下学期阶段性测试(五)理科数学试题河南省商丘市部分学校联考2020-2021学年高二下学期阶段性测试(五)文科数学试题(已下线)第3章 函数概念与性质(巩固篇)-2021-2022学年高一数学单元过关卷(人教A版2019必修第一册)(已下线)第03讲 函数的单调性(教师版)-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第一册)(已下线)专题3.2 函数的基本性质-《讲亮点》2021-2022学年高一数学新教材同步配套讲练(人教A版2019必修第一册)
解题方法
7 . 已知函数
,
,若两函数图象在某一确定区间
内共有
个交点,则
的值分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac5515dc02a616bd9023b3c95847a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a608da7ab34a3079f60b3205a886e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f06fcfa4f8f96601a67a25dc455d472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bc0ee22d28f8181539a7e474e3686c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1cd4de11846a4631d64c8ba0e21e55d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知函数
是偶函数(其中a,b是常数),且它的值域为
.
(1)求
的解析式;
(2)若函数
是定义在R上的奇函数,且
时,
,而函数
满足对任意的
,有
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d794f10a4d0efe9aba0e98242f47333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a04d5dedf90c054802fa63dfddbf53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b4ecaea942c9db398b401df1b324b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056b0b36f15ae78b0ec18555cc5c0fce.png)
您最近一年使用:0次
2022-02-11更新
|
293次组卷
|
2卷引用:河南省信阳市信阳高级中学2021-2022学年高一上学期期末考试理科数学试题
名校
解题方法
9 . 已知函数
,
,
的图象经过点
,
,且
.
(1)求不等式
的解集;
(2)若
,不等式
恒成立,求此关于x的不等式的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20da4e45ca27b21b03a4d80b166e1aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c0b5fe273c27337fdfe68ca533d488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ae3826e4d00aef76d263c58c4ad8ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d910424c594483a278a33845aee0d25.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b5544e6bbd816c45db57f740c5e8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6056aea6f29dea546f2627968d7b9aad.png)
您最近一年使用:0次
名校
10 . 设函数
在定义域
上是单调函数,
,且
,则下列关系式中不可能成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1629dab12ca8a3374d87775411ed413f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a80278c1e868ad33d1726df15948550.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次