名校
1 . 已知函数
,
,若对于任意的
,总存在
,使得
或
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ca7855c40a4fa448ab5824dae6044c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07089a368058126f0700c15bf5c4fa69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b42c7c92c753d7f803ee7e7ceec59db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69d3e7565b563281b16356e2da104e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-10-27更新
|
586次组卷
|
4卷引用:江西省莲花中学2022-2023学年高一上学期期中考试数学试题
名校
2 . 函数
的值域为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc70deea7b55eb57f3335f400dd47c0.png)
您最近一年使用:0次