1 . 已知函数
,点
为平面内一点,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cbc38dede229ac885633f63550e685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493f7a6fe5c1e676672547297082e64d.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.若过点![]() ![]() ![]() ![]() |
D.若过点![]() ![]() ![]() ![]() |
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2 . 闵可夫斯基距离又称为闵氏距离,是两组数据间距离的定义.设两组数据分别为
和
,这两组数据间的闵氏距离定义为
,其中q表示阶数.现有下列四个命题:
①若
,则
;
②若
,其中
,则
;
③若
,其中
,则
;
④若
,其中
,则
的最小值为
.
其中所有真命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0135cb7ffda469b422df0aa1817d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca35f4615ee3791b732587e958f8033f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4acef2e902ae9f016c519d244dd116.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89931246303f93b3a215f85b6023fe90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210d2ab35b8c42ea95b5082f0481351d.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568107a44c95917b5052fbce2c3e4feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b6da0a2a423d17e24d90c4160b9f6e.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a0f278ea53a39eea2391275c43839c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b40d453ac56a449af2c33e31ff49c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3117afe2d04f86b125cb4b0c7de44121.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb96d283a9f994c27d0426694081743c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe78074088a23c1647667f82beaf1420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddb5a41248f5a03ced0859eb9d28fe9.png)
其中所有真命题的个数是( )
A.1 | B.2 | C.3 | D.4 |
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5卷引用:安徽省阜阳市2021-2022学年高三上学期期末教学质量统测理科数学试题
安徽省阜阳市2021-2022学年高三上学期期末教学质量统测理科数学试题四川省成都外国语学校2021-2022学年高二下学期入学考试数学(文)试题四川省成都外国语学校2021-2022学年高二下学期入学考试数学(理)试题(已下线)专题27 直线与圆的综合应用-1(已下线)重难点突破03 直线与圆的综合应用(七大题型)
3 . 过曲线C:
上一点
作斜率为
的直线,该直线与曲线C的另一交点为P,曲线C在点P处的切线交y轴于点N.若
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ee382ec295f5b38790635522a22dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6b2796810669792965515f7c722a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba90d145f054cb24dbe70317f420c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-05更新
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5卷引用:江苏省百校大联考2021-2022学年高三上学期11月一轮复习阶段检测数学试题
江苏省百校大联考2021-2022学年高三上学期11月一轮复习阶段检测数学试题(已下线)专题02 导数的基本应用(练)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(浙江专用)》(已下线)解密05导数及其应用(分层训练)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(全国通用)(已下线)热点04 导数及其应用-2022年高考数学【热点·重点·难点】专练(新高考专用)(已下线)专题40 导数压轴选择填空必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)
4 . 抛物线
与
的两条公切线(同时与两条曲线相切的直线叫做两曲线的公切线)的交点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3957c059cdb8991ad9948d780c288a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438abc1fe20f1907862dc1b10b71b427.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 设函数
的图象为曲线C,
为C上任意一点,过点R的直线PQ与C相切,且与x轴交于点P,与y轴交于点Q,当三角形POQ的面积取得最小值时,
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a075f7c90021a1befea7fbfe1198ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b79ca81f286d8aeed52f91ee13ce0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-02-15更新
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辽宁省2021-2022学年高三上学期期中考试数学试题四川省成都市石室中学2022届高三专家联测卷(五)数学(文)试题(已下线)高二数学下学期期中精选50题(压轴版)2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)(已下线)专题04 直线方程综合应用难题(12题型)-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)
21-22高三上·江苏南通·阶段练习
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解题方法
6 . 已知
为坐标原点,过曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
上一点
作
的切线,交
轴于点
,则
面积取最大值时,点
的纵坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462bc379729e73fcfa7d7f516270f4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-11-05更新
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4卷引用:江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题
(已下线)江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题江苏省南京大学附属中学2022届高三下学期四月质量检测数学试题广西南宁市第二中学2022届高三5月诊断数学(文)试题河南省濮阳市2021-2022学年高二下学期学业质量监测(升级)考试理科数学试题
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7 . 下列条件是“过点
可以作两条与曲线
相切的直线”的充分条件的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341beaede25aadc09f3d726aa5827c66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca622842a43fd1bfe16868f801170b44.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:河南省濮阳市2022-2023学年高三上学期毕业班阶段性测(二)理科数学试题
8 . 已知曲线
与
轴交于点
,设
经过原点的切线为
,设
上一点
横坐标为
,若直线
,则
所在的区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673208ddd6a415314abaaa65e575ec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41b8856f1acaf13e6968f0a96f37795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cc699a65e140dd4be6195f25c1e85d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:广东省深圳市罗湖区2024届高三上学期期末数学试题
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解题方法
9 . 已知函数
记函数
为
的导函数
,函数
的图象在
处的切线与x轴相交的横坐标为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c19ee670d74b2d0fe207d7ac7f3af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b715c48213dc00071316376a6b63e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d5fa85887816de29bcff4f143e3f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2425552313d50a253bfb3cb4e9974ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16da51e35c9231560d7e9839651b8a91.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3卷引用:江苏省镇江市2022-2023学年高三上学期期中数学试题
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10 . 已知
,则下列说法中正确的有( )
①若
存在三个相异零点
、
、
和两个极值点
、
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb6b5f722c6afa2bca6e64d45c18d57.png)
②若
存在三个正零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409569a77c58b07a27f428a06106f1a7.png)
③过曲线
上一点
作曲线
的切线再交曲线
于点
,同理得点
,则
为定值
④若曲线
存在唯一的内接正方形,则其面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229ff7b4fccd7cc3ec3bc292990422e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd8f4ae110f816cc9b6c9f191486b52.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb6b5f722c6afa2bca6e64d45c18d57.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409569a77c58b07a27f428a06106f1a7.png)
③过曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/919a65c894b009dce7484950646a8332.png)
④若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229ff7b4fccd7cc3ec3bc292990422e5.png)
A.0个 | B.1个 | C.2个 | D.3个 |
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