1 . 已知点
,若直线
与线段
相交,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfa670eae7cb9db7ede0c52dc8d45fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536df29671676f943ede34fc11c4e468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2017-02-23更新
|
153次组卷
|
2卷引用:2016-2017学年山东省德州市高二上学期期末检测数学(文)试卷
2 . 当
满足条件
时,目标函数
的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8d14834915598f8dcb9bf6124df04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81b5f818af5d7f3dbd8f557599580d1.png)
A.3 | B.4 | C.5 | D.6 |
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解题方法
3 . 已知
,
,且
,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e62b5c78646b0dc6cc006075ac1ef81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2016-12-03更新
|
879次组卷
|
4卷引用:2014-2015学年山东省乐陵市一中高二上学期期中考试文科数学试卷
解题方法
4 . 某镇人口第二年比第一年增长
,第三年比第二年增长
,又这两年的平均增长率为
,则
与
的关系为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0276b766aca99cde92827cdccd7296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891be674955665ff4c190ab8f0b7d607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588e024d8355d57638436cba6691d612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c16d0f58b8b7c2c11dfdc01197063cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 在
中,已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
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11-12高二上·山东德州·期中
6 . 在
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c0614a311775c38599c65cc0c90f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
您最近一年使用:0次
11-12高二上·山东德州·期中
解题方法
7 . 函数
,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____ 时,函数
有最小值,最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa93cf5f9151c453f69f415ef3afad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
11-12高二上·山东德州·期中
名校
解题方法
8 . 已知
,比较下列各题中两个代数式值的大小:
(1)
与
;
(2)
与
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4dc9869a174b6f3bf98eaa5eda3f26e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef632978c261b808eb113c3e6c2c97a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3e896635390b9da5b3a02d7a88f285.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47cb00f84ca1d6d0407715df94ca6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79e143337059a41d7069bdb7d9ed756.png)
您最近一年使用:0次
2016-12-01更新
|
1509次组卷
|
5卷引用:2011-2012学年山东省德州一中高二上学期期中数学试卷
11-12高二上·山东德州·期中
名校
9 . (1)若
,不等式
恒成立,求实数
的取值范围;
(2)若
,满足不等式
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d75f517ad3d7f85ae3155abd6e7873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f71965c173e8f67643e468125b93c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次