名校
1 . 已知
是定义在
上的奇函数,且
,若
,且
时,有
恒成立.
(Ⅰ)用定义证明函数
在
上是增函数;
(Ⅱ)解不等式:
;
(Ⅲ)若
对所有
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a547418f2bc38da0091f1a4a482fa5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bc2eeaca8a8ce4bcce2bff011a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d01645cf54dd71aa3d55f8f40c9bdaf.png)
(Ⅰ)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(Ⅱ)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1406070019e815c5df30d01a191bb2d3.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc899dff95c6cb8f085e77f2f12f5503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
您最近一年使用:0次
2017-07-21更新
|
1045次组卷
|
6卷引用:河北省廊坊市香河县2021-2022学年高二下学期期末数学试题
2 . 已知函数
,则使得
成立的
的范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6115ee1ee0dc6c9a976f223188f1ddfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8191848f01a40bba4a62760c742b88ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2017-05-14更新
|
457次组卷
|
2卷引用:河北省廊坊市省级示范高中联合体2016-2017学年高二下学期期末考试数学(理)试题