名校
1 . 已知函数
.
(1)讨论函数
的单调性;
(2)若存在
,使得
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d923df82b977d6293b49c53fbeda43.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98482ea7b98e0f06e72664e78389e4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e856dd7407c2fad6594228317e3d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-03-22更新
|
1166次组卷
|
3卷引用:2017届内蒙古包头市高三下学期第一次模拟考试数学(理)试卷
2017届内蒙古包头市高三下学期第一次模拟考试数学(理)试卷江西省萍乡市莲花中学2019-2020学年高二下学期月考数学(理科)试题(已下线)第七章 导数与不等式能成立(有解)问题 专题四 双变量能成立(有解)问题的解法 微点1 双变量单函数能成立(有解)问题的解法
2 . 已知函数
.
(1)若
,求证:
;
(2)若
,
,求
的最大值;
(3)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc651273ad842b071481556bf2e686f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dddc44a0e21df132286d426f0abd4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53712a4b42a1b8d6ae432649f554fcd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f3118c69bfa54eebf1c284f20fab4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4b12531ae5db14ebad083980805ee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38f0c7a9ecee291e4c89752e2338cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9212a8d6a099d4b36bd9d954ae9045.png)
您最近一年使用:0次
2016-12-04更新
|
688次组卷
|
2卷引用:内蒙古鄂尔多斯市第一中学2019-2020学年高三第四次调研考试数学(理)试题
名校
解题方法
3 . 已知函数
(
是自然对数的底数,
).
(1)求函数
的单调递增区间;
(2)若
为整数,
,且当
时,
恒成立,其中
为
的导函数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7054dbcd9ad1998688f13392344cc43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d347d5b8729ddc0417eb8eb0a13c7218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-03更新
|
497次组卷
|
3卷引用:内蒙古赤峰市2016-2017学年高二下学期期末考试数学(理)试题
4 . 已知
.
(1)求函数
的单调区间;
(2)若关于
的方程
有实数解,求实数
的取值范围;
(3)当
时,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2965d98ee43e87071d8cb547166f7950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9678d9630c4df952ce3be68db0a2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e315fa784fff61aa68cbe2d834681642.png)
您最近一年使用:0次
2014·河北邯郸·二模
名校
5 . 已知函数
,曲线
经过点
,且在点
处的切线为
.
(1)求
的值;
(2)若存在实数
,使得
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc27c83b36c3bef7dbd1ef9466b22cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22840186db0afc0e2b2e8915ce79b998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6134a70ad5fd38fb2d52c6bdb2b34e91.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a11b8a2fc710d26c89953d4d3a4eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91de80e5bd853f0ec4da6c616fdc1918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-03更新
|
2829次组卷
|
5卷引用:内蒙古杭锦后旗奋斗中学2018届高三上学期第二次月考数学(文)试题