已知函数
,
(1)当
时,求该函数的定义域和值域;
(2)如果
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4dd465bee3dece5832231d43c285cd2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
11-12高三上·吉林白山·阶段练习 查看更多[5]
(已下线)2011-2012学年吉林省白山市友好学校高三年级12月联考数学理科试卷(已下线)2012届山东省汶上一中高三12月月考考试文科数学(已下线)2011-2012学年吉林省白山市友好学校高三年级12月联考理科数学试卷江西省宁冈中学2021-2022学年高二9月开学考数学(理)试题广东省梅州市大埔县虎山中学2022-2023学年高一上学期第二次段考(12月)数学试题
更新时间:2016-12-01 14:05:57
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e914784866c1e051f7c10330d4ac979f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e914784866c1e051f7c10330d4ac979f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754aa6538d77eed114b436fc4e0c79af.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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