名校
1 . 如图,在菱形
中,
,
,
为
的中点,将
沿直线
翻折成
,连接
和
,
为
的中点,则在翻折过程中,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/7/30/2775425393975296/2776857769074688/STEM/17e6fa2d-8561-46af-870f-d6f6a0c2c43c.png?resizew=344)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e054544e4ece645f5e06c9d24a8b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://img.xkw.com/dksih/QBM/2021/7/30/2775425393975296/2776857769074688/STEM/17e6fa2d-8561-46af-870f-d6f6a0c2c43c.png?resizew=344)
A.![]() |
B.![]() |
C.![]() ![]() ![]() |
D.当三棱锥![]() ![]() ![]() |
您最近一年使用:0次
2021-08-01更新
|
1915次组卷
|
4卷引用:江苏省宿迁市四校2019-2020学年高一下学期期末联考数学试题
江苏省宿迁市四校2019-2020学年高一下学期期末联考数学试题重庆市西南大学附属中学2021届高三下学期第四次月考数学试题(已下线)第8章 立体几何初步(压轴30题专练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)(已下线)高一数学下学期期末精选50题(压轴版)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)
名校
2 . 已知函数
,
,其中e为自然对数的底数,
.
(1)讨论函数
在
上的单调性;
(2)当
时,
对
恒成立,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c652c063f44a29c56c90a08d1f40917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f664ecc5e0b6acfece1632c875b58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae75c53c0bc3a648db8a36ffb1a33b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
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2020-10-10更新
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3卷引用:江苏省宿迁市宿豫中学2020-2021学年高三上学期第四次调研考试数学试题
名校
解题方法
3 . 已知函数
.
(1)若曲线
在
处的切线与直线
平行,求
的值;
(2)若对于任意
,
,且
,都有
恒成立,求实数
的取值范围;
(3)若对于任意
,且有
成立,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156cf21f468260dda2b127ca4fbee4e6.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f52cb58b6bc5d71030463ba7e28134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bc8eaf6df297245acc054a5f74d0cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2397877a64540742dd3b86b9dd69c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38d2595f86d00d9e4409d88a541b072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbe0ecc9c1ff426c11577472ab4b353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-09-14更新
|
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2卷引用:江苏省宿迁中学2019-2020学年高二下学期期中数学试题
名校
4 . 设函数
,其中
.
(1)讨论
的单调性;
(2)若不等式
恒成立,求实数a的取值范围;
(3)求证:对于任意
,存在实数
,当
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb3cd0bee6e5563e1f74efe13c5ed73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2fb5c70550cd1713f00f0c6036093c.png)
(3)求证:对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119c13383d9a3838ad3b6342ce720a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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2020-03-26更新
|
732次组卷
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4卷引用:江苏省宿迁市沭阳县修远中学2019-2020学年高二(普通班)下学期4月月考数学试题
江苏省宿迁市沭阳县修远中学2019-2020学年高二(普通班)下学期4月月考数学试题江苏省泰州中学2018-2019学年高二下学期第二次月考数学(文)试题(已下线)一轮大题专练13—导数(任意、存在性问题1)-2022届高三数学一轮复习江苏省南京市秦淮中学2020-2021学年高二下学期第一次月考数学试题
5 . 设
1
,其中p
R,n
,
(r=0,1,2,…,n)与x无关.
(1)若
=10,求p的值;
(2)试用关于n的代数式表示:
;
(3)设
,
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea75d1e8ee128916739a842b4ed3089e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd2f952a5e5adfbce4ece69f95aff00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec1b383f61d7a71f10ce999c9321381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86c6b2d9059e94c4f210c9575e3c17f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e222984e844f4f7ed8267a295ad92dd1.png)
(2)试用关于n的代数式表示:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8580ec2281bb1095f53185763b2658.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d90290b6e83a7b1e54984379274d8ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a056ca846cbfb940285b848f10763ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf0302296d507cffd895cfa88627f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e47408306d70fad7d11cba565f142c4.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
在
处的切线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ec60c1d5e99c7dd9d343f0127bff95.png)
(1).求
的解析式;
(2).若对任意的
,均有
求实数k的范围;
(3).设
为两个正数,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f89d1045355084403aa3c3bfe812a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ec60c1d5e99c7dd9d343f0127bff95.png)
(1).求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2).若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147ed879fbe216a902b729fcbe96b981.png)
(3).设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ca3aa2d1ba52e82613d0d65d800e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36af67dca04ff106d65a4a3505acb224.png)
您最近一年使用:0次
7 . 如图,在平面直角坐标系
中,已知椭圆
:
,设
是椭圆
上的任一点,从原点
向圆
:
作两条切线,分别交椭圆于点
,
.
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572019801456640/1572019807477760/STEM/705ad4f4596549078c6818dbd2ad8a75.png)
(1)若直线
,
互相垂直,求圆
的方程;
(2)若直线
,
的斜率存在,并记为
,
,求证:
;
(3)试问
是否为定值?若是,求出该值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277e0eae79ef5e4cb525e5200bfc4b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3feccf154671abf1114e77c8cb03c83c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c7444e90d33f40944d5bebbe1e5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2015/3/21/1572019801456640/1572019807477760/STEM/705ad4f4596549078c6818dbd2ad8a75.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1511fecc764a34504b104a69562aa51.png)
(3)试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2475f29f388642ac001ef7e854e0ac.png)
您最近一年使用:0次
2016-12-03更新
|
1314次组卷
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7卷引用:2015届江苏省宿迁市高三上学期第一次摸底考试数学试卷
真题
名校
8 . 已知函数
,其中
,
为自然对数的底数.
(Ⅰ)设
是函数
的导函数,求函数
在区间
上的最小值;
(Ⅱ)若
,函数
在区间
内有零点,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7fcfc9057b746972bce4d14c8e7538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057db09504e1a3e62cd7fc678a7c31ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632e88f116c6097af475a688705cfd14.png)
(Ⅰ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
7985次组卷
|
22卷引用:2014年全国普通高等学校招生统一考试理科数学(四川卷)
2014年全国普通高等学校招生统一考试理科数学(四川卷)(已下线)2013-2014学年江西省上高二中高二下学期期末考试理科数学试卷2015届新疆师范大学附属中学高三12月月考理科数学试卷12015届新疆师范大学附属中学高三12月月考理科数学试卷22015届甘肃省河西三校普通高中高三上学期第一次联考理科数学试卷2015-2016学年重庆市八中高二下期中理科数学试卷(已下线)2019高考备考一轮复习精品资料【理】专题五 函数的单调性与最值 教学案(已下线)2019高考备考一轮复习精品资料 【理】专题十五 导数的综合应用 教学案【全国百强校】北京市第八十中学2019届高三10月月考数学(文)试题(已下线)2019高考热点题型和提分秘籍 【理数】专题5 函数的单调性与最值 (教学案)(已下线)2019高考热点题型和提分秘籍 【文数】专题11 导数的应用 (教学案)(已下线)2019高考备考二轮复习精品资料【文数】-专题2 函数的图像与性质(教学案)陕西省渭南市韩城市2018-2019学年高三下学期期中数学(理)试题宁夏回族自治区银川市第二中学2019-2020学年高三上学期统练四数学(理科)试题2020届西大附中高三12月月考数学(理)试题2020届河北省衡水中学高三下学期一调考试数学理科试题江苏省宿迁、海安、句容中学2021-2022学年高三上学期期中联考数学试题山东省潍坊市四县市2021届高三5月联考数学试题山东省日照市2021届高考数学模拟训练数学试题江苏省南通市海安高级中学2021-2022学年高三上学期10月三校联考数学试题(已下线)第14讲 零点问题之取点技巧-突破2022年新高考数学导数压轴解答题精选精练(已下线)专题22 导数解答题(理科)-2
13-14高一上·江苏盐城·期中
9 . 对于函数
,若存在实数对
,使得等式
对定义域中的每一个
都成立,则称函数
是“
型函数”.
(1) 判断函数
是否为“
型函数”,并说明理由;
(2) 若函数
是“
型函数”,求出满足条件的一组实数对
;
(3)已知函数
是“
型函数”,对应的实数对
为(1,4).当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681d6d27b23b1c41834d7516122f73f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e34c5eb4ca05084c4c6f55565fb7ec.png)
,若当
时,都有
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe86817946f4142d484bd67ce5f0c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(1) 判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43539708e9663f5aa0b9336076936e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(2) 若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf44ef8807abfa79ffe1fb2919e9309e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681d6d27b23b1c41834d7516122f73f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e34c5eb4ca05084c4c6f55565fb7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bcaceadc00d891e292c8bdff9e4ce64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b6ee958612051792de2e49fff0abf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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