名校
1 .
,求
在
上的最大值________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc9ee73121f9a62ec35206da6f88f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d3a5678b124dbcf14ca99901adb63f.png)
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2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfd01981c719855f093baf98ec04248.png)
(I)当
时,求
的解集;
(II)若不等式
的解集包含
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfd01981c719855f093baf98ec04248.png)
(I)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd131223217e3c07c848d379fc5f8335.png)
(II)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2226a10ccda324f71b20e9284a55396f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1646344d05075fd14daed6399b9b22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-05更新
|
612次组卷
|
8卷引用:上海市天山中学2021届高三上学期开学考试数学试题
3 . 定义二元函数
,则不等式
的解集是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfde66cb69a12026c154e32bccc25c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa45789247fff730e1b3d23e2cf59f7.png)
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4 . 已知
,若对任意
,
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6665f58c63415e0a4aa3c94b30815218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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