名校
解题方法
1 . 若函数
是
上的减函数,则a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8328e317bd3f654040e46a75e03d5d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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今日更新
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381次组卷
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2卷引用:河北省石家庄十五中2023-2024学年高二下学期期中数学试题
名校
2 . 已知
且
,
且
,
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e873578b6b90212323f7f031d544f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e138c6157f9033f6bf51b45fc4d34ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920b81877c5de047bc797eb6f608e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6aeac058ed5584b4a45eaa69dae6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c79aebb58555ad3246f73ac4e84702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d0eec319e3dd42ad35c0ba1498f6cf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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31次组卷
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2卷引用:广东省佛山市南海区第一中学2023-2024学年高二下学期阶段三暨期末统考模拟检测数学试题
3 . 已知函数
及其导函数
的定义域均为R,
且
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceec72ad249f0ef8750d12a473148688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e365a0f474ad40f96239b08a1ef52d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470384d2131ee5a7a9dfbcbc826a067d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebf5f6cb9571e9a57ee199fac260e5e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 已知随机变量
的分布列分别如表所示,且
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405ab70fa9b164cd8082abdc8eedb5b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a46e18864057019d63f9783bb91c2ee.png)
1 | 2 | 3 | 1 | 2 | 3 | |||
a | 0.5 | b | b | 0.5 | a |
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 已知函数
的定义域为
,若
,且
为偶函数,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66bc77f7320d20c9281735f21560d422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee798afc6ca1bbee1f324fc7e0abafd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3587ff064f9af01371279ab75d22116c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
6 . 已知
,
,
,
,则下列大小关系正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678bc4e3642a01f2e6c3f82ae6af82b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a28c3b4ee6e3894b28cc0c84deec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf9fbba9a4583674e07eaf65f4f0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce59668a3be332c863098b978da5b85.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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今日更新
|
454次组卷
|
4卷引用:山东省烟台市牟平区第一中学2023-2024学年高二下学期6月限时练(月考)数学试题
名校
解题方法
7 . 已知函数
在
和
处取得极值.
(1)求
的值.
(2)若对任意
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae06c488100e31570805778b1d322e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b809c7fd4d5d853c923bfa2e5a855d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190a670794c40368119afdcc98341f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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8 . 已知函数
的定义域为
,若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454b56ac2843867ea813105b372fa9bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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名校
解题方法
9 . 若函数
在
上单调递增,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac734219f9130afda1084bd42e52ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 对任意
,不等式
恒成立,则实数
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4791eedb5cadcba537b4a1f17f31e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次