解题方法
1 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
是
的导函数,
,且
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e33dfa436d7f6b7381890f6f8e318d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c712829d60b4ea93966a5c68c24d677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c7c4acfc4e05a4a1a892b5fc8bad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec72ca557aa4229ee871628ffcf0d8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cccf07c6e918fb64995d8cb884ce1de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2 . 已知函数
.
(1)求函数
的图像在
处的切线方程;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca47d2e8724200bf868215c66c5cfe40.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32aecb09327ecc5d19903bcafd656803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768e21434eb1bc8bada29132144ee6a2.png)
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2022-11-30更新
|
275次组卷
|
2卷引用:江西省临川第一中学2023届高三上学期11月教学质量检测数学(文)试题
3 . 已知曲线
和
,若直线
与
,
都相切,且与
的相切于点
,则
的横坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4c88b61ffcfad9b8ed703d96b8bae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a301371384fffb728c93e2afece659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2022-11-23更新
|
359次组卷
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2卷引用:江西省丰城中学2023届高三上学期第二次月考数学(理)试题
4 . 已知函数
,且
.
(1)若
的图象在点
处的切线方程为
,求a与b的值;
(2)若
与
的图象有两个不同的交点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9878ad2b8f035323b07d93a6a793878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c035bfd800397b80370ead0f57e9f2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56720e2f2b0ddd72156da495923698da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2852ae85cfcc804b3192ea8543c88938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81be1cde73bf30aab41df006f021f591.png)
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5 . 已知定义域为
的奇函数
满足:当
时,
;当
时,
.现有下列四个结论:
①
的周期为2;
②当
时,
;
③若
,则
;
④若方程
在
上恰有三个根,则实数k的取值范围是
.
其中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be6d130fd238611a9ebba188527eaad.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62e9ccd11f56e0868e78a30480aa472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c65b4f4f8afa9eb343cb419ac38f928.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16ffcc7632efc3eedde0e225a731f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad7da1c3dc8b7eaaa9ca9a4ebff5368.png)
④若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc07ce9ccee024327b955936d35aa701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a641065e48d9f04a54a7fd7d8d46fd8.png)
其中所有正确结论的序号是( )
A.①③ | B.②③④ | C.②④ | D.②③ |
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2022-10-30更新
|
2067次组卷
|
5卷引用:江西省赣南(赣州三中、赣州中学、南康中学、宁都中学、于都中学)五校2023届高三上学期期中联考数学(理)试题
江西省赣南(赣州三中、赣州中学、南康中学、宁都中学、于都中学)五校2023届高三上学期期中联考数学(理)试题(已下线)专题2 “信息迁移”类型甘肃省兰州市第二中学2022-2023学年高三上学期第二次月考文科数学试题(已下线)模块二 数列 不等式-3(已下线)专题2-1 函数性质(单调性、奇偶性、中心对称、轴对称、周期性)-2
名校
解题方法
6 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)记函数
,设
,
是函数
的两个极值点,若
,且
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b446ef13b4c672a5131aaf066566fd.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7152aea5d046953a8c931571be7c529.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da690620cb1f5f42372b3020f81f06a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ad2a0d43e4e920c9fc115626ec2c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc4f76f7c179d0f31f284a236c026f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a370953b6252aea6734936e956eb96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15befbdad977723a86194979c675ee5d.png)
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2022-10-25更新
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5卷引用:江西省丰城中学、新余一中2023届高三上学期联考数学(文)试题
江西省丰城中学、新余一中2023届高三上学期联考数学(文)试题江西省新余市第一中学2023届高三上学期12月月考文科数学试题黑龙江省哈尔滨市尚志市尚志中学2022-2023学年高三上学期期中数学试题湖北省武汉市第一中学2021-2022学年高二下学期3月月考数学试题(已下线)5.3.2 函数的极值与最大(小)值(精讲)-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)
名校
7 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37aacb49de953afb4d3edf0588b41424.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427ddc261e4aea13a25fa479749f4074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知曲线
与
的两条公切线所成角的正切值为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754a34b8d28bc09437d4e0219a2ca2c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01fbe68bc39206e5eee8afa7c15077ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90356d17a06992a528db79341d838fdd.png)
A.2 | B.![]() | C.![]() | D.![]() |
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6卷引用:江西省赣州厚德外国语学校、丰城中学2023届高三上学期10月联考数学(理)试题
江西省赣州厚德外国语学校、丰城中学2023届高三上学期10月联考数学(理)试题河南省名校联盟2022-2023学年高三上学期9月联考理科数学试题河南省部分学校2022-2023学年高三上学期9月联考数学(理科)试题重庆市缙云教育联盟2023届高三上学期9月月度质量检测数学试题(已下线)专题3-1 利用导数解决切线(公切线)问题 -2(已下线)专题06 函数与导数常见经典压轴小题归类(练习)-2
解题方法
9 . 已知函数
.
(1)若函数
在
处的切线过点
,求m的值;
(2)若
,已知
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de83a899fe93b0142f7394dc3d6a3bc1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3dec609e7539997a6a9c4590695c60.png)
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2022-07-21更新
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江西省石城县赣源中学2023届高三8月月考数学(文)试题云南省红河州2021-2022学年高二下学期学业质量监测数学试题(已下线)5.1.2 导数的概念及其几何意义(分层作业)-【上好课】2022-2023学年高二数学同步备课系列(人教A版2019选择性必修第二册)
10 . 已知函数
,曲线
在点(1,f(1))处的切线的斜率为2
(1)设
,若函数
在[m,+∞)上的最小值为0,求m的值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9054b208a4bfde6774d3dd8af0465121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbb6ddcdb2a8fd61c162bcad02c7b4a.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c397bf432322d354fa44695f0350aad.png)
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