名校
解题方法
1 . 设函数
是定义域为
的奇函数.
(1)求实数
的值;
(2)若
,且
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9792b5c98744d61f36c40aabf27e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbec93189276445b83c6df4e9f4866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566ab90b0e828603626da60fec427a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44165805c9477000c83b902377ea3455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 已知函数
,且
,其中
为奇函数,
为偶函数.
(1)求
的解析式:
(2)若不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc50f609440a36953561a88e8acfee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ad89ae922a396bed95fc4985db2f6e.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1a038f4c841234bea5f4da78383d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e9847cfaec82a05eb0b24bf4707cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-12-03更新
|
796次组卷
|
5卷引用:上海市南洋模范中学2016-2017学年高二上学期期末数学试题
3 . 对于函数
与
,记集合
.
(1)设
,求集合
;
(2)设
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e3607e4bf93211b13f845f44893b00.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1e5c69cfff3c3ac842297e0ee9af68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00606a7fafb0a948a31739bfe79fcae.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda1c59de5ced0564996c247d0fa7485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef087c7bbc46880935b88a4affd26fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-04-14更新
|
299次组卷
|
2卷引用:2016年上海市普通高中学业水平考试数学试题
14-15高一上·广东东莞·开学考试
名校
4 . 定义在D上的函数
,如果满足:对任意
,存在常数
,都有
成立,则称
是D上的有界函数,其中M称为函数
的上界
已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20072b3a023fc79dae0da060b66b3104.png)
当
,求函数
在
上的值域,并判断函数
在
上是否为有界函数,请说明理由;
若函数
在
上是以3为上界的有界函数,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db87f86dbee425d45545f8ed18480175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9163631ac547ec5e5df3105b3380fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8dd05b66bf393ce3f3994eaa1ca8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20072b3a023fc79dae0da060b66b3104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e85f7a8430d8229a4bae171ba12f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e85f7a8430d8229a4bae171ba12f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9589f0f76da55001a64079a8143dfd.png)
您最近一年使用:0次
2016-12-03更新
|
1148次组卷
|
5卷引用:上海市位育中学2015-2016学年高二上学期开学考试数学试题
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