11-12高三上·上海·期末
名校
1 . 已知函数
(常数
.
(1)若
,且
,求
的值;
(2)若
,求证函数
在
上是增函数;
(3)若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479ae47f656999b127044da3150cbf34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3701a33910739036a505823bc6d75be8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee708f92c52fba2937144d34a967dfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f148f3e5650bb90bf0d7b28f0c83b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d694b058a618cef8296d2fcacd7870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
真题
名校
2 . 本题共有2个小题,第1小题满分8分,第2小题满分8分.
已知函数
.
(1)若
,求
的值;
(2)若
对于
恒成立,求实数m的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5264a7df0a577d834dc22df60a4762f3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033f2c2bee683bec51fd69e2640ca5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ae34b039037d5bc97fc0614b11212f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ba62f213d8a13395b3edf839080917.png)
您最近一年使用:0次
2016-11-30更新
|
2300次组卷
|
7卷引用:2008年普通高等学校招生全国统一考试文科数学(上海卷)