1 . 已知函数
.
(1)若
,求
的极大值;
(2)证明:当
时,
在
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6965c790a7eee257d6fe17c6c84b5b7f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
您最近一年使用:0次
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e5a00ca53c0c7489bc1dfe6dcfc414.png)
(1)求
在点
处的切线方程;
(2)求证:
在
上存在唯一的极大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e5a00ca53c0c7489bc1dfe6dcfc414.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61d6c83dd9b743b68dae41c46cdf4c6.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f9fd5f3d2a67143cdf65cca376c73.png)
您最近一年使用:0次
2020-06-10更新
|
171次组卷
|
2卷引用:山西大学附属中学2020-2021学年高二下学期4月月考理科数学试题
13-14高二下·山西太原·阶段练习
名校
3 . 设
为奇函数,其图象在点
处的切线与直线
垂直,导函数
的最小值为
.
(1)求
、
、
的值;
(2)求函数
的单调递增区间,极大值和极小值,并求函数
在
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fef7c8be4a433d66451cd6b0eabd305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50322ae569820865764dbb7df5c50f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e35f76e01c3979ae5987f7729f9856.png)
(1)求
![](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/071a7e733d466949ac935b4b8ee8d183.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
您最近一年使用:0次
2019-01-30更新
|
460次组卷
|
4卷引用:2013-2014学年山西省太原五中高二3月月考理科数学试卷
(已下线)2013-2014学年山西省太原五中高二3月月考理科数学试卷(已下线)2013-2014学年福建省晋江市季延中学高二下学期期末文科数学试卷2015-2016学年江苏省泰兴市一中高二上学期期中考试数学试卷内蒙古自治区集宁一中(西校区)2019-2020学年高三上学期10月月考数学试题
4 . 已知函数
在
处的切线平行于
轴,则
的极大值与极小值的差为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bec83253d567f048328fc8b6ced5f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be81134385e323490af87dfc2a29193e.png)
.
(1)求函数
的极值;
(2)当
时,若存在实数
,
使得不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7c7debdf9905b44ff41d808a09d1ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be81134385e323490af87dfc2a29193e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a725d126ea46b61280a23722f49e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知函数
,其中
为常数.
(1)当
时,求
的极值;
(2)若
是区间
内的单调函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799b1c9956edf181a51ab2f4514d718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f4c4985f8a820372f1349f21f8dc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-02-16更新
|
1984次组卷
|
5卷引用:山西省实验中学2019届高三上学期第三次月考数学试题