名校
1 . 设函数
.
(1)判断函数
的奇偶性,并证明;
(2)用定义证明函数
在区间
上是单调减函数;
(3)求函数
在区间
值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c0d2781306051c802c8f90eb0475db.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e1b4a9ba703bb43187aafbcb697d24.png)
您最近一年使用:0次
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36832d74cc006a93e5f3b12fa1a5b559.png)
(1)判断函数
的奇偶性,并加以证明;
(2)证明函数
在区间
上为增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36832d74cc006a93e5f3b12fa1a5b559.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50fea4f0abf56345b563f8ae7fb5416.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)判断该函数在
上的单调性,并用定义证明你的结论;
(2)求该函数在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175003d6c7efc290876dcbb18b5713c6.png)
(1)判断该函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
(2)求该函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
您最近一年使用:0次
2021-11-11更新
|
213次组卷
|
2卷引用:北京市第九中学2021-2022学年高一上学期期中考试数学试题
4 . 若函数
满足:对于
,都有
,且
,则称函数
为“
函数”
(1)试判断函数
与
是否为“
函数”,并说明理由
(2)设函数
为“
函数”,且存在
,使
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82754353d23aaa9a5fd2437c31e872d6.png)
(3)试写出一个“
函数”,满足
,且使集合
中元素最少(只需写出你的结论)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4abed7edbae224272e56661384ac4a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e333588299e2ff881262526504ad94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bf49c91a6d010c4cefcddcca4d0e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec585cec335e338b14fc7b8edf599585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f9b18683b347a6034ac25994499a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79ff54854a125d1ea64651c4af512f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5140af075af23abc35a5974d5c1a4dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82754353d23aaa9a5fd2437c31e872d6.png)
(3)试写出一个“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290640a1de8c750df33141d1544a4409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b6ea94669997d0716dff9ce0025b2a.png)
您最近一年使用:0次
5 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46d91a898eabc0094137dacb4defa60.png)
.对于
,
,定义
,定义
与
之间的距离为
.
(1)设
,
,
,直接写出
,
,
;
(2)
,判断
与
的大小关系,并给出证明;
(3)证明:
,
,
,
三个数中至少有一个是偶数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46d91a898eabc0094137dacb4defa60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a213c770b7898200a9f0fd3f48e7403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aea343234102eeccd40f790ec5ce2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374c2acfb112a4284400b5ddbd19aa02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a0b3823a1fd3e69af7594da9b8f0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a005c90b3e44a1737dd3771dbafcb5c2.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5794bdc5eb3d74aedd9c05d6de2d69c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea406d4bc7d7fb5d6f0789441028f21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207ff0926bf917ce30f615d23eff451c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507d7d4b676e2b1cd0b2bec2fffda025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7041adbdd3371e7cd4bd02682115ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4a2681390214200443ae07c01a4abe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519a1fbbf2ae4158090a505c9494b0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858291a961c75db554dc5a737c1fcd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519a1fbbf2ae4158090a505c9494b0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a6e825795c828f8281e93607d0e1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdfd65ee99c3d93adee6732ae125eb8.png)
您最近一年使用:0次
名校
6 . 已知数集
.如果对任意的i,j(
且
),
与
两数中至少有一个属于A.则称数集A具有性质P.
(1)分别判断数集
是否具有性质P,并说明理由:
(2)设数集
具有性质P.
①若
,证明:对任意
都有
是
的因数;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a988803f3881afaa6e10917f0c53cc32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ae331839bce8f3c14d7efd7f9d8915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cded4b2983d8d1ab4c093e5334c6aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f52783e7a39f438adf08ef7d05d8c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf9fc9e8c9940547678ff7934363f52.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db366f386796ab7dfd5f3b9a9903d404.png)
(2)设数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21111c1f93a2d3be25d33acbfe008c3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e868355fb99c713842d39a1689a8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c5d1969a8e26392e7e947b8279154c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed6f5e1411e8bc6bc938a9b84929ff2.png)
您最近一年使用:0次
2021-05-10更新
|
1164次组卷
|
3卷引用:北京市房山区2021届高三二模数学试题
名校
解题方法
7 . 设集合
,且S中至少有两个元素,若集合T满足以下三个条件:①
,且T中至少有两个元素;②对于任意
,当
,都有
;③对于任意
,若
,则
;则称集合
为集合
的“耦合集”.
(1)若集合
,求集合
的“耦合集”
;
(2)若集合
存在“耦合集”
,集合
,且
,求证:对于任意
,有
;
(3)设集合
,且
,求集合S的“耦合集”T中元素的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b94a0abdcc3807bf392db9ff45b065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eee24115b5913c454fe5a93f176db80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c36aecba41f6f5ff0d46a29dccaaf01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7741c8d8f0486556a102d904fb26a7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8339eab9c659e50db86828b65f825e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566d386cbedb1c8750f4837633c2af64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0086b15b30b83d428b35cdbe094810f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5718e9c8baa106b447f9fae23e730de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a8b2c7049b225429ace45c69a44d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a09b275c36edd90e33b7dbd4d8a1ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799794fea82a353250cb5d27a30002cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f74ed37d11fb9d30d9ee10c337c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b19fb48a58c310c0432c93e054c26ff.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e91972c88f7dcf857a74fdbd57deb0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa09412f1c12451c54596ce4d58fffa.png)
您最近一年使用:0次
2021-01-27更新
|
1320次组卷
|
5卷引用:北京市顺义区2020-2021学年高一上学期期末考试数学试题
名校
8 . 对于一个非空集合A,如果集合D满足如下四个条件:①
;②
,
;③
,若
且
,则
;④
,若
且
,则
,则称集合D为A的一个偏序关系.
(1)设
,判断集合
是不是集合A的偏序关系,请你写出一个含有4个元素且是集合A的偏序关系的集合D;
(2)证明:
是实数集R的一个偏序关系:
(3)设E为集合A的一个偏序关系,
.若存在
,使得
,
,且
,若
,
,一定有
,则称c是a和b的交,记为
.证明:对A中的两个给定元素a,b,若
存在,则一定唯一.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ff092e72c0b8af0ec11ea1e16c20c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20ff64cc48dd0907b3f86c2f72ed4fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802a18618d983265b240d352e98010d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c87ad49613978a306ab1c000c84f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fac2c1aab61d5d6b6d1ebacf76df4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04263219b135885a77d0b95ff5ae8e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b443c138c481dfd65c9f6e003d087b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fac2c1aab61d5d6b6d1ebacf76df4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55303eac47b7521d66c984919ef73245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecf5892f45e01accf16c028f1496604.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbefb4190e6d31cf43ce5258ebf325c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4b90a63a63e136b98a6061d703c281.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6919731148cf9c61e492ecd22944897b.png)
(3)设E为集合A的一个偏序关系,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e35231b964e293122c4383dac2431b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac385ec112e6d61b90d953e3f106ee85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c0547c0182518c13ce84342425a4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893e925c95774708b58f8be28702284c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/452f5111086abcdf21884aac981a260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc050f06a69d0a74c28484d3d99f8f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b95219d991157bb0de786036d581b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a922973fd5aa9d110397c6ab1dce314b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d9b8041d0643aca9a58973723d3488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108d495e1cba00ecd1c2cabedd93cfd1.png)
您最近一年使用:0次
2021-03-25更新
|
1118次组卷
|
6卷引用:北京市门头沟区2021届高三数学一模试题
北京市门头沟区2021届高三数学一模试题(已下线)专题04 集合中的压轴题(二)-【尖子生专用】2021-2022学年高一数学考点培优训练(人教A版2019必修第一册)北京卷专题02集合(解答题)北京市第二中学2023-2024学年高二上学期10月学段考试数学试题(已下线)第1章 集合与常用逻辑用语(基础、典型、新文化、压轴)分类专项训练-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)(已下线)高一上学期第一次月考解答题压轴题50题专练-举一反三系列
名校
9 . 对任意给定的不小于3的正整数
,
元集合
,
均为正整数集的子集,若满足:
①
,
②
,
③
,
则称
,
互为等矩集.
(1)若集合
与
互为等矩集,求
,
的值;
(2)证明:如果集合
,
互为等矩集,那么对于任意的
,集合
,
也互为等矩集;
(3)对于任意给定的正整数
,是否存在两个
元正整数集
,
互为等矩集?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7bb58dca886fc65d874e2b30040c02.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b04f7ed829546d2b2260985f507f3a8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47f257943e469ce5e45bca7833d9294.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
则称
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12adcda385580201a896d40562dd497f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0dc1dc5f1c10b956f04abde185490a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)证明:如果集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7bb58dca886fc65d874e2b30040c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b6d151d3f864bae873987f6db9327a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4aa5e7bdb273169b55570b418ed549d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6c155b4c5a6cf07d980926610a54f2.png)
(3)对于任意给定的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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10 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcae0e2112459d33f756aa162a43031.png)
(I)若
,求实数a的值;
(II)判断函数
的奇偶性,并证明你的结论;
(III)若
对于
恒成立,求实数m的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcae0e2112459d33f756aa162a43031.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e28c6cbcc46821ebf88a38fa8d6e6c.png)
(II)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(III)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80315917e7f564864105cd4c7e95fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97148e04ca6a9f9dca0aba91ce4e1d84.png)
您最近一年使用:0次
2021-01-26更新
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1190次组卷
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2卷引用:北京市西城区2020-2021学年高一上学期期末考试数学试题