1 . 已知函数
.
(1)若
在
上单调递增,求实数
的取值范围.
(2)已知方程
有两个不相等的实数根
,且
.
①求
的取值范围;
②若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058fc816e9935f358b1cb90433875d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192bebeaecf1729c55efad6e749a04e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae0a96799a6ffd8d340951b9db8da6d.png)
您最近一年使用:0次
解题方法
2 . 已知函数
,
(1)若
,求
的图象在
处的切线方程;
(2)若
对任意的
恒成立,求整数a的最小值;
(3)求证
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9c594a89167c4dee4bc13e921a4799.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0511338aa078cca149b4eb2645e3a7.png)
(3)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/968f8d63599c0206c0374006ba14c717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
您最近一年使用:0次
2023-07-14更新
|
483次组卷
|
3卷引用:辽宁省朝阳市2022-2023学年高二下学期期末数学试题
3 . 已知函数
.
(1)若
求方程
的解集;
(2)若
有两个零点且有两个极值点,记两个极值点为
,
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad084d3bce1e2de2bf59a9a981fc9912.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8603ae7a8417d09605fa706e31d3dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9694eaaa274ed8e3774a100aff5f101.png)
您最近一年使用:0次
4 . 已知函数
.
(1)若
,求
的图象在
处的切线方程;
(2)若
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb41724d9a030cc2694a58dee5387494.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
您最近一年使用:0次
2023-07-07更新
|
458次组卷
|
5卷引用:辽宁省辽阳市2022-2023学年高二下学期期末考试数学试题
5 . 已知函数
.
(1)若
是
的极值点,求
;
(2)当
时,
在区间
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4ca0353fa840ed8514d4e6323aade5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-06-28更新
|
356次组卷
|
2卷引用:辽宁省铁岭市六校2022-2023学年高二下学期期末考试数学试题
22-23高二下·河北·阶段练习
名校
6 . 已知函数
.
(1)求
的极值;
(2)若函数
,讨论
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5d1ebb7843d1974d77da597f36d0a8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a526208da27d53bae502442a92285b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2023-05-26更新
|
490次组卷
|
5卷引用:辽宁省铁岭市昌图县第一高级中学2022-2023学年高二下学期期末考试数学试题
名校
7 . 已知函数
.
(1)求函数
在
处的切线方程;
(2)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fcc724f019ce6043e34019f66174d84.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a8166acce0fdad6bd62b7c1c1d41a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-05-12更新
|
1937次组卷
|
5卷引用:辽宁省沈阳市五校协作体2022-2023学年高二下学期期末联考数学试题
解题方法
8 . 已知函数
.
(1)证明:若
,则
;
(2)证明:若
有两个零点
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6102ca4dcd95bc834a251e0c51ffd0e.png)
(1)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9673d1b326a5bbcd5105037398e9530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)证明:若
![](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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
您最近一年使用:0次
9 . 已知
,
,
.
(1)若
,求a的取值范围;
(2)若
,证明:存在函数
和函数
共有3个不同的零点,并且这3个零点成等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83202d6c1097a02e54db5576d096b0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab43c63d9180c3fed75f14379a49a24f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a02ad95fe80a63ce2fb25c0b57b189.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7efeb56b59b41e0d812cbef18d41cca.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea22003199ad36802fd0a95088519f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b7429ab78dd47f067bb463d2e2eae9.png)
.
(1)当
时,
,求实数
的取值范围;
(2)证明:
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b7429ab78dd47f067bb463d2e2eae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e5ff2705eb737adef9a6dc70559d79.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8180d644f29b7c773f6233f56bc175f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
您最近一年使用:0次