1 . 定义在
上的函数
,对任意的
,恒有
,且
时,有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)判断
的奇偶性并证明;
(2)若
,且对
,都有
恒成立,求
的取值范围;
(3)若
,函数
有三个不同的零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc64288f1f2f72979321bccce31802c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183c9869a29bb7e3e50886e6f1b59fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc61280ba96f42e51847220bdcde4f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8368c0b5a8aba9c036a20db2955e867e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdf6c2edbf685e80090995b295a075a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 .
和
是关于
的方程
的两个不同的实数根.
(1)求实数
的取值范围;
(2)若
,求证:
.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cec6dbe2ac3ca0af0ff965dc895b45c.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b21aaaddcb8588bdf381aa73bc9a04b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b385c5f7bf5ac9ccf2e4d72eaba1c65.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
(
).
(1)若
在
上的最大值为
,求a的值;
(2)证明:函数
有且只有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5254ef61084dd03014c41ed39fbbe171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85f29c0860b57a8f0cf8098c13a97e.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630bb5680cbde5316f719dac7dd94b17.png)
您最近一年使用:0次
2022-01-17更新
|
875次组卷
|
3卷引用:重庆市缙云教育联盟2023-2024学年高一上学期12月月考数学试题
名校
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53387d86e29d3b1abe57cf9f5e91e724.png)
.若函数
存在三个零点,分别记为
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
.
(1)求
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53387d86e29d3b1abe57cf9f5e91e724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e75fd7a30d037de637ad718011242e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c06ceee2b1e227de025476eee95672.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ec808ad60dbf016632ec816eaca1df.png)
您最近一年使用:0次
名校
5 . 已知函数
有两个零点.
(1)求实数
的取值范围;
(2)设
、
是
的两个零点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c12d019b2f0cc041393bc108386073.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](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/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c2a8416699b5898113f9b5699c43f1.png)
您最近一年使用:0次
2020-02-23更新
|
1157次组卷
|
6卷引用:重庆市璧山学校2021-2022学年高二下学期第一次月考数学试题
重庆市璧山学校2021-2022学年高二下学期第一次月考数学试题安徽省安庆一中、山西省太原五中等五省六校(K12联盟)2018届高三上学期期末联考理科数学试题2020届山西省太原市第五中学校高三上学期9月阶段性检测数学(文)试题2019届福建省厦门市双十中学高三上学期第一次月考理科数学试题(已下线)专题04 巧妙构造函数,应用导数证明不等式问题(第一篇)-2020高考数学压轴题命题区间探究与突破广西普通高中2023届高三摸底测试数学(理)试题
名校
6 . 已知
.
(1)若
是奇函数,求
的值,并判断
的单调性(不用证明);
(2)若函数
在区间(0,1)上有两个不同的零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2beec3059ba947c3bc869043b3e994cb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e51afdb5f7628f0931b02de4353438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-03-26更新
|
662次组卷
|
5卷引用:重庆一中2017-2018学年高一上学期期末考试数学试题