名校
1 . 已知函数
.
(1)若
,求过曲线
上一点
的切线方程;
(2)若
,
在区间
的最大值为
,最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b803b846f761efb81b1a8a372d93de.png)
(1)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/2a2a5e336b6bcba6354fd366c892dd06.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55feb3cbcaf37c63b6ce1c5abece8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f511880834175ac4546ea7cc7758b1b0.png)
您最近一年使用:0次
2 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设
,证明
恰有两个极值点
和
,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1495821fad209346487928e0429f742.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a864217158a281b8562e0661bde90375.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65c471252b6cd12fa44299c9b7726ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/4bfc8f775c0c874c4ea920136a91db8f.png)
您最近一年使用:0次
名校
3 . 已知函数
.
(Ⅰ)当
时,求函数
的单调递减区间;
(Ⅱ)若函数
存在极大值点
与极小值点
,当
时,有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da803e67e506c74e69656e0d1933360.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c7630484d76b37662fe1c4ebdf2f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/a31379f3f0afd96c65d2ff644a8aea42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fad55215380c2ce9bcb30bd33ed24a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-09-05更新
|
373次组卷
|
3卷引用:浙江省之江教育评价联盟2020-2021学年高三上学期8月返校联考数学试题
名校
4 . 已知函数
.
(1)当
时,求
的单调区间;
(2)当
时,若
,
,
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cec5c912eabdd77038a084042431da.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f3a248d7ed1af43902b06ee26b4dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1015dba1406e8ecd663363cd4d331ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5689742e6274e003f48aaa291d91bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141db3e7187a57e67798d8844073d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b7fe73371e8614cb57249d6bc26e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-09-05更新
|
231次组卷
|
2卷引用:黑龙江省双鸭山一中2020-2021学年高三(上)开学数学(理科)试题
名校
解题方法
5 . 已知函数
.(
,
,e是自然对数的底数)
(1)若
,当
时,
,求实数a的取值范围;
(2)若
,
存在两个极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0693bbc52f93974664a41f81f2ca2890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598e3c585fab75a4f0ee967b93b65493.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.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/dc6d40c1068f112698d41f3fd7ccc43e.png)
您最近一年使用:0次
名校
6 . 函数
.
(1)讨论
在
上的最大值;
(2)有几个
(
,且为常数),使得函数
在
上的最大值为
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4088c9782064172f67c6590addb126f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
(2)有几个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5ae86d70dc41b37d8a6707c167b03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07de85fcb109e40dbfcb94ec1ad1cb94.png)
您最近一年使用:0次
2020-08-18更新
|
301次组卷
|
5卷引用:广西南宁市第三中学2020届高三适应性月考卷(五)数学(文)试题
广西南宁市第三中学2020届高三适应性月考卷(五)数学(文)试题(已下线)专题20 函数与导数综合-2020年高考数学(文)母题题源解密(全国Ⅲ专版)广西南宁三中2020届高考适应性月考卷(五)理科数学试题四川省泸县第四中学2022-2023学年高三下学期开学考试数学(文)试题四川省泸县第四中学2022-2023学年高三下学期开学考试数学(理)试题
解题方法
7 . 已知函数
(
,且
)在
上的最大值为
,若
的最小值为
,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c61b5dfa6aa3d84c0d4e2c08837cf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1d25a58aefbfa50b53f655d7ea471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c38f3baf9a34265fbdb5c65dd1664d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
8 . 已知等边
的边长为1,点
,
,
分别在边
,
,
上,且
.若
,
,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01eeae0339c1f414e9304e5ab7e6d062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f28dbdbbb448ae1a631aabf50cedbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d399963a091b7fe962ecfb1dc8d287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
![](https://img.xkw.com/dksih/QBM/2020/8/14/2527911397187584/2528332557852672/STEM/02d8667751654101aac38452f671cb75.png?resizew=154)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)若
,求
的极值;
(2)若
,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9520e9c73c908b2dd1933ddd05fc43b9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad63199c4913f69c792ce79dc010b4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-08-07更新
|
675次组卷
|
3卷引用:广东省佛山市第四中学2021届高三上学期8月开学考试数学试题
名校
10 . 已知函数
,
为
的导函数.
(1)求证:
在
上存在唯一零点;
(2)求证:
有且仅有两个不同的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb7dc51ac15b839f7cafb68bd52a5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2020-08-06更新
|
1850次组卷
|
20卷引用:2020届山东省青岛市高三上学期期末数学试题
2020届山东省青岛市高三上学期期末数学试题2020届山东省菏泽一中高三下学期在线数学试题2020届山东省菏泽一中高三2月份自测数学试题(已下线)专题05 用好导数,破解函数零点问题(第一篇)-2020高考数学压轴题命题区间探究与突破山东省济钢高中2019-2020学年高三3月质量检测试题(已下线)第4篇——函数导数及其应用-新高考山东专题汇编(已下线)专题4.4 导数的综合应用(精讲)-2021年新高考数学一轮复习学与练(已下线)专题4.4 导数的综合应用(讲)-2021年新高考数学一轮复习讲练测(已下线)强化卷02(4月)-冲刺2020高考数学之拿高分题目强化卷(山东专版)人教A版(2019) 选择性必修第二册 过关斩将 第五章 一元函数的导数及其应用 5.3 导数在研究函数中的应用 5.3.2 函数的极值与最大(小)值 第1课时 函数的极值河北省百师联盟2024届高三上学期开学考试数学试题江苏省宿迁市沭阳县修远中学2021-2022学年高三上学期第一次阶段考试数学试题(已下线)专题4.4 导数的综合应用(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)江苏省苏州市2021-2022学年高三上学期期中数学试题江苏省南京师范大学苏州实验学校2021-2022学年高三上学期期中数学试题浙江大学附属中学2021-2022学年高三上学期12月月考数学试题江苏省盐城市大丰区新丰中学2021-2022学年高三上学期第二次学情调研数学试题(已下线)专题36 盘点导数与函数零点的交汇问题—备战2022年高考数学二轮复习常考点专题突破海南省琼海市嘉积第三中学2022届高三下学期第二次月考数学试题(已下线)思想01 运用分类讨论的思想方法解题(精讲精练)-1