名校
1 . 已知有限集![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3f090142bfa3bcb90ecdb3ee904e88.png)
,如果
中元素
满足
,就称
为“复活集”.
(1)判断集合
是否为“复活集”,并说明理由;
(2)若
,
,且
是“复活集”,求
的取值范围;
(3)若
,求证:“复活集”
有且只有一个,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3f090142bfa3bcb90ecdb3ee904e88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10c7f021444b4d80f8e0b43c16ae709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f2b85757d982e544bd4aaacb0d7f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271317eadce07ea38ea3574f796fbba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ad2c82dc3ecba5db7b19291697a43d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b268efb85a98476032903816086af138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1318c477abcb233b6fcdec5e6a8845ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c00b1aaa1b31dbfc8f8b904f6f25dd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87397e6df8ed820638eea31e403a94b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
您最近一年使用:0次
2019-12-10更新
|
424次组卷
|
2卷引用:上海市华东师范大学第一附属中学2022-2023学年高一上学期10月月考数学试题
2 . 已知函数
为奇函数.
(1)求常数
的值;
(2)判断并用定义法证明函数的单调性;
(3)函数
的图象由函数
的图象先向右平移
个单位,再向上平移
个单位得到,写出
的一个对称中心,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e440b43aa39952b7bc5dcc8208a7f9a4.png)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断并用定义法证明函数的单调性;
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cf87dfb5c61c47bd2379717780f11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca19f6e3ab5aaadb68f72c32a3b8a63.png)
您最近一年使用:0次
2019-10-31更新
|
322次组卷
|
2卷引用:上海市鲁迅中学2019-2020学年高三上学期9月月考数学试题
名校
3 . 已知函数
,
且满足
.
(1)求实数
的值;
(2)判断函数
在区间
上的单调性,并用单调性的定义证明;
(3)若关于
的方程
有三个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5df14b372558f425954557660b220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d12f3cf751822522ba5f88077c1a2e1.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e8008f21d7907d4d0e7681d3888b89.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e9793952a28ae090b29eff1bc8f752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-11-14更新
|
329次组卷
|
2卷引用:上海市青浦高级中学2022届高三上学期9月月考数学试题
名校
4 . 设
,若其元素满足
,则称集合
为集合
的“
元封闭集”.
(1)写出实数集
的一个“二元封闭集”;
(2)证明:正整数集
上不存在“二元封闭集”;
(3)求出正整数集
上的所有“三元封闭集”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ca644ffc0b79661caf6ba7188ccc3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa9ca1afc43a859586c222be8064af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)写出实数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)证明:正整数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52866a74e4af867ceea0efb1ad06602c.png)
(3)求出正整数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52866a74e4af867ceea0efb1ad06602c.png)
您最近一年使用:0次
5 . 已知数集
具有性质
:对任意的
、
,
与
两数中至少有一个属于
.
(1)分别判断数集
与
是否具有性质
,并说明理由;
(2)证明:
且
;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6633c9aead10ed42850e64fa9369bcb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cad037db16405f93358fb962ee86489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f52783e7a39f438adf08ef7d05d8c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf9fc9e8c9940547678ff7934363f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997bbd93dff19a5dba79bcd9d92f3129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13470c4e9665748fdd20d0b181abc8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4049e63727f73d80c8b0b12b795285ac.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf9dc7279315aeb812605ce4cf8a4a9.png)
您最近一年使用:0次
2019-11-08更新
|
595次组卷
|
2卷引用:上海市进才中学2019-2020学年高一上学期10月月考数学试题
6 . 若函数
的定义域为
,满足对任意
,
,有
,则称
为
型函数;若函数
的定义域为
,满足对任意
,
恒成立,且对任意
,
,有
,则称
为对数
型函数.
(1)当函数
时,判断
是否为
型函数,并说明理由.
(2)当函数
时,证明:
是对数
型函数.
(3)若函数
是
型函数,且满足对任意
,有
,问
是否为对数
型函数?若是,加以证明;若不是,请说明理由.
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe0ce7a3f644ca079e9d905853d97b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17af43cc460a6a7010d51a0c9403d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd862309eb0f1f4b283ffa320862285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
(1)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fd3003a50fc4b754f134fe799b12a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
您最近一年使用:0次
2019-11-06更新
|
1249次组卷
|
4卷引用:上海市上海交通大学附属中学2016-2017学年高一下学期3月月考数学试题
名校
7 . (1)已知
,
,
,其中a、b、c为实数,求证:A、B、C中至少有一个为正数;
(2)设集合
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651b911b5b89924a9f1715d847e9d419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a130665c0842c5594882a282eab790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0446cabe6eef4e5012d0bcf2be336f06.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5b43be1b276b765d4c9c3124c534ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d308f2be227e497d15f967d6c5affb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65a167c8e6032c9b356bea2747d7a6a.png)
您最近一年使用:0次
2019-11-08更新
|
429次组卷
|
3卷引用:上海市杨浦高级中学2019-2020学年高一上学期9月测试数学试题
上海市杨浦高级中学2019-2020学年高一上学期9月测试数学试题新疆和田地区民丰县2022-2023学年高一上学期11月期中教学情况调研数学试题(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
8 . 设函数
是定义域R上的奇函数.
(1)设
是
图像上的两点,求证:直线AB的斜率>0;
(2)求函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5588cefb186c8c2decbda804b84b9c3d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62a6015a51b9fdc9ec863d700254435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8903f0a8b40a358d322ff8ff7b7857bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29363a33ac26010aa8df2d6e3c8d18e3.png)
您最近一年使用:0次
2019-11-06更新
|
282次组卷
|
2卷引用:上海市金山中学2018-2019学年高三下学期3月月考数学试题
9 . 已知集合
集合
,集合
,且集合D满足
.
(1)求实数a的值.
(2)对集合
,其中
,定义由
中的元素构成两个相应的集合:
,
,其中
是有序实数对,集合S和T中的元素个数分别为
和
,若对任意的
,总有
,则称集合
具有性质P.
①请检验集合
是否具有性质P,并对其中具有性质P的集合,写出相应的集合S和T.
②试判断m和n的大小关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7fdf054b59d4a047a860ce6b1dcdfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945b9f47f37e913573a970c9c0f66e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71fc06717e9b476d78e50a4ceed8564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ceac8ea2cf3dced94cc0f39e5e8c14.png)
(1)求实数a的值.
(2)对集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff4b35d346fcb22d8b821dc72845ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d392958be18c2f61fb31908ac38f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ed6cef4cdc0258c58bf9a75b30f2ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f832518a56824cd9302cf2bb74c3cb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a2cacc52ffe015e828a4a5f2fe5ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①请检验集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9645e7b94f1151da63de5351764554e9.png)
②试判断m和n的大小关系,并证明你的结论.
您最近一年使用:0次
2019-10-06更新
|
532次组卷
|
2卷引用:上海市莘庄中学2019-2020学年高一上学期9月月考数学试题
名校
解题方法
10 . 已知函数
的定义域为
,同时满足:对任意
,总有
,对定义域内的
,若满足
,恒有
成立,则函数
称为“
函数”.
(1)判断函数
在区间
上是否为“
函数”,并说明理由;
(2)当
为“
函数”时,求
的最大值和最小值;
(3)已知
为“
函数”:
①证明:
;
②证明:对一切
,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e7e05d1e0310f00c5dc79864f7b2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9415ab7474c0b9e1227feeea97fee3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba789911020511190b8fbe5a2ede649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f51cd760aeff9365b51e9a85b41e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a997ee608605e1009425fddd2012e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3b6d18e5ec745cbe1dccac06031c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e7e05d1e0310f00c5dc79864f7b2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e4f51bd67ae00f3932415ebeaf7f45.png)
②证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bab9d44e3cd2fe0cde787831108821d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d134c3a169c988c0770e32b7e336914d.png)
您最近一年使用:0次