名校
解题方法
1 . 已知函数
.
(1)若
在
上单调递减,求
的取值范围;
(2)若
有两个极值点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cd5cad03de96aa3d9d022ce36d434e.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)若
![](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/8b34154b8cb1212f7b36a696b91df1c9.png)
您最近一年使用:0次
2023-11-28更新
|
605次组卷
|
4卷引用:西藏拉萨市城关区拉萨中学2024届高三第五次月考数学(文)试题
2 . 已知函数
.
(1)判断函数
的单调性;
(2)已知函数
,其中
,若存在
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec3d05907ba9fbd6fd72f34144c1d1d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470272f85d0a426c8ed621f785889f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfb4ecfcd09ce9d668607c2f209238c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5780eb4c477b3344c04f8b93237f6404.png)
您最近一年使用:0次
3 . 已知函数
.
(1)若函数
在点
处的切线与函数
的图象有公共点,求实数
的取值范围;
(2)若函数
和函数
的图象没有公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f11a3c2e92d0696adb0f550bed4134.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a3cc2187304ddc8ed76adb611f5229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知
,则下列不等式成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed70659f0c30e3b77cc60a193538f7f4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次