名校
解题方法
1 . 已知函数
,任取
,定义集合:
,点
,
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f82e8ad8b767d4431fb99529d8bb7bc.png)
设
,
分别表示集合
中元素的最大值和最小值,记
, 则
(1)函数
的最大值是______ ;
(2)函数
的单调递增区间为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8ba85bac0faca475c8abaef52e84cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b30a4f4c7ba6a038de7c0fa91f3032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0af6b64ace474360bda7c6728f94c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e2cdeba952e48274f50ce47540f806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f82e8ad8b767d4431fb99529d8bb7bc.png)
设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e93d044f7bde4330e206b4edd2bd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26c2d48c264304810689c150770f681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f26d721b107f8b2bc88f3eb0f42c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725fba7198d3ddb18b12e3b780a16cce.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0225bca34eaf19544939b29153aac1.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0225bca34eaf19544939b29153aac1.png)
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4卷引用:北京市中国人民大学附属中学2021届高三9月数学统练二试题
北京市中国人民大学附属中学2021届高三9月数学统练二试题(已下线)北京市第四中学2023届高三上学期开学测试数学试题北京市第二中学2020~2021学年高一下学期第四学段考试数学试题北京市海淀区八一学校2022-2023学年高一下学期中考试数学试题
名校
2 . 函数
,
,若存在
使得
成立,则整数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328ab30e5cfc2b4490021c9cfe003e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c33f782a17455ce45ca693ac7daf172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a15b08b750e803abcd24b6cf0e6f7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.0 | C.1 | D.2 |
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|
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4卷引用:贵州省毕节市2020届高三诊断性考试(三)理科数学试题
贵州省毕节市2020届高三诊断性考试(三)理科数学试题山西省太原五中2021届高三上学期9月段考数学(理)试题(已下线)卷15-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)(已下线)专题1.1 探索分段函数的图象与性质-玩转压轴题,进军满分之2021高考数学选择题填空题
名校
3 . 点P在函数y=ex的图象上.若满足到直线y=x+a的距离为
的点P有且仅有3个,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
A.![]() | B.![]() | C.3 | D.4 |
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2020-11-03更新
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2309次组卷
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9卷引用:北京市昌平区2020届高三第二次统一练习(二模)数学试题
北京市昌平区2020届高三第二次统一练习(二模)数学试题黑龙江省大庆实验中学2021届高三上学期第二次月考数学(文)试题黑龙江省嫩江市高级中学2020-2021学年高三上学期12月月考数学(理)试题黑龙江省嫩江市高级中学2020-2021学年高三上学期12月月考数学(文)试题北京市大兴区2023届高三下学期数学摸底检测试题(已下线)2023高考考前突破选填专题(北京)(已下线)第02章 直线与圆的方程(B卷提高卷)-2020-2021学年高二数学选择性必修第一册同步单元AB卷(新教材人教A版)江西省景德镇一中2020-2021学年高二下学期期末数学(理)试题陕西省西安市西北大学附属中学2020-2021学年高二下学期4月月考理科数学试题
名校
4 . 已知函数
.
(1)当
时,求证:
恰有1个零点;
(2)若
存在极大值,且极大值小于0,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd87c16c5452e4a6adc228998bc944a3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2020-11-02更新
|
468次组卷
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3卷引用:北京市清华附中2019-2020学年高二年级居家自主学习在线检测试卷(期末)数学试题
5 . 已知有穷数列
.定义数列
的“伴生数列”
:
,其中
,规定![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14328f8e2f81d5ad6611b8ee13f04d67.png)
(1)写出下列数列的“伴生数列”:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c38f000c388fda76e180303fd1fa79.png)
(2)已知数列
的“伴生数列”
,且满足
.若数列
中存在相邻两项为
,求证:数列
中每一项均为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21cca25bc7b8cc4f79d853b3ea7a921a.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/d7955afb1f12c680759d87880b2d4549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594efaf67d8487e3a437b70dacfac5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14328f8e2f81d5ad6611b8ee13f04d67.png)
(1)写出下列数列的“伴生数列”:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c38f000c388fda76e180303fd1fa79.png)
②
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be87a3508eaa7f2ffac1e1f34e66e21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3256704d8b25c2e0af3b734eb6f5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
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2020-11-02更新
|
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3卷引用:北京科技大学附属中学2021届高三10月月考数学试题
6 . 已知函数
,共中
.
(1)求
的单调区间;
(2)是否存在
,使得
对任意
恒成立?若存在,请求出
的最大值;若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c338b3c8b8f95eae5cbed156f35292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 对非空数集
,
,定义
,记有限集
的元素个数为
.
(1)若
,
,求
,
,
;
(2)若
,
,
,当
最大时,求
中最大元素的最小值;
(3)若
,
,求
的最小值.
![](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/2e3537cbcff7cc15ff0cdf26de2a73b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b830a24447b3831005c9942fb263e1c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e18306ebf275f54eb946ddb7c38397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4be9b536fcf7bbdb422184f74db9ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e803dee8996550a8b3fb641e437709a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d197338ab810f6c9d31a2b67e5f352ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560882860516a9207f47ec0156975bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7987e3e0432dee47d40079d5577c2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b449796bf5cff2580eb2609830f3cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
您最近一年使用:0次
2020-11-02更新
|
950次组卷
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6卷引用:北京市人大附中2021届高三年级10月数学月考试题
名校
解题方法
8 . 定义在
上的函数
满足:当
时,
;当
时,
.若方程
在区间
上恰有3个不同的实根,则
的所有可能取值集合是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe1abd3d67945dbdafaa8e57765c77d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab0f80bee941694853ade6c1953a3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257a261fa504b3c775cda8f89014165a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dedea4333c8f977378e4334ae971ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bf09610da1e1c4518a12524fcfdac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929d4a3d329bc144eb474df0d3188899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bae7de91112b5e4429d3ff041fe606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 设函数
,其中
.
(Ⅰ)若
,求曲线
在点
处的切线方程;
(Ⅱ)若函数
在
上有极大值,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e927ec74fe8b14d660cca855583a4f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f9f734c03d04c21edefa08e0acc1fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-23更新
|
459次组卷
|
3卷引用:北京市2021届高三入学定位考试数学试题
北京市2021届高三入学定位考试数学试题四川省泸州市泸县第五中学2024届高三上学期期末数学(文)试题(已下线)专题5.1 导数的概念及其几何意义-2020-2021学年高二数学同步课堂帮帮帮(人教A版2019选择性必修第二册)
20-21高一上·上海浦东新·阶段练习
名校
解题方法
10 . 满足
对所有正实数
、
都成立,实数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0242d132e7a6c3452e6862d92f8203fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.前三个答案都不对 |
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2020-10-22更新
|
449次组卷
|
3卷引用:2020年北京大学强基计划招生考试数学试题