名校
解题方法
1 . 已知函数
,
.
(1)若
的最小值是
,求
的值.
(2)是否存在
,使得当
的定义域为
时,
的值域为
?若存在,求
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab46fffc671389979fd2b7e703b95b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc329b32ecf0f0532d09a8a21343e8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801f8202a34989353eaa10926c6b8c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8308729725bec4bad03045e22df21da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-11-10更新
|
903次组卷
|
3卷引用:安徽省卓越县中联盟2022-2023学年高一上学期期中数学试题
名校
解题方法
2 . 已知函数
是定义在R上的奇函数,当
时,
.
(Ⅰ)求函数
在R上的解析式;
(Ⅱ)若
,函数
,是否存在实数m使得
的最小值为
,若存在,求m的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9529bc72d1b9e5d1eb1996785a0b8483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86099e804d5105c9b5a2b1b2ad407f5e.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc2ffdaaf2306fb0279a97a931022fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb718886f7b401c83a62b7468844f59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8df65891fe8c9b97164880b7f331f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10402e4ddd0d323cc1ae83801ae976db.png)
您最近一年使用:0次
2019-04-07更新
|
1318次组卷
|
3卷引用:安徽省淮北市第一中学2019-2020学年高一上学期期中数学试题
名校
3 . 已知
,
,
恒成立,则实数a的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92687989d5025fa765d31c157877545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704c21b1058b499455ac2060b9e33027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624591cd9b67d13736d66b03f288e5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-02-23更新
|
626次组卷
|
2卷引用:安徽省安庆市第一中学2019-2020学年高一上学期期中数学试题