1 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若函数
在区间
有两个零点,分别为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5840993ac6b954b34c9b5eb906e6c9ad.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be07753eab86fa9c439a65db51c9a9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574824d85f44d42246529ac135c0391c.png)
您最近一年使用:0次
2020-04-20更新
|
514次组卷
|
2卷引用:东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2020届高三高考数学(文科)三模试题(内)
名校
2 . 已知函数
,
.
(1)若直线
与函数
的图象相切,求实数
的值;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84e06b63783970f4788af899d5715f1.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b55a30c5d5798c2ffd942d9c90b58b.png)
您最近一年使用:0次
3 . 已知函数
在点
处的切线方程为
.
(1)求
,
;
(2)函数
图像与
轴负半轴的交点为
,且在点
处的切线方程为
,函数
,
,求
的最小值;
(3)关于
的方程
有两个实数根
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030862ef2a2a8187717c5a5eb1a95ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf8ac3b24be627dc3417ee1e95cb9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00ec54109a3374edd4e90ad7436a1d1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575df2758d348d7d5b889fb5ad8ddafe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(3)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5575709e32534b090fb193ed386446.png)
您最近一年使用:0次
2020-05-13更新
|
4954次组卷
|
8卷引用:辽宁省沈阳市2023届高三三模数学试题
辽宁省沈阳市2023届高三三模数学试题辽宁省沈阳市2023届高三三模数学试题2020年山东省日照市高三一模数学试题(已下线)专题八 函数与导数-2020山东模拟题分类汇编(已下线)极值点偏移专题07极值点偏移问题的函数选取(已下线)第12讲 双变量不等式:剪刀模型-突破2022年新高考数学导数压轴解答题精选精练2020届山东日照高三4月模拟考试(一模)数学试题(已下线)重难点突破06 双变量问题(六大题型)
名校
4 . 已知函数
.
(1)求
在点
处的切线方程;
(2)若不等式
恒成立,求k的取值范围;
(3)求证:当
时,不等式
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be28586f3a3ca7707e9dcf258b917ff5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb09d22756ead537531baa8f7465656b.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07a6abf7a3051e5c0e213e7e5d6a56a.png)
您最近一年使用:0次
2020-02-05更新
|
1136次组卷
|
8卷引用:2020届辽宁省葫芦岛市普通高中高三上学期学业质量监测(期末)数学(理)试题
2020届辽宁省葫芦岛市普通高中高三上学期学业质量监测(期末)数学(理)试题2020届高三2月第02期(考点03)(理科)-《新题速递·数学》2020届山东省潍坊市高三2月数学模拟试题(二)(已下线)备战2020年高考数学之考场再现(山东专版)03(已下线)第4篇——函数导数及其应用-新高考山东专题汇编广东省广东实验中学2022届高三上学期九月阶段测试数学试题山东省淄博市临淄中学2020-2021学年高三上学期期中数学试题黑龙江省牡丹江市第一高级中学2022-2023学年高三上学期期中考试数学试题
名校
解题方法
5 . 设函数
其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db0a3dac8bca2febc99a2acf3e5da61.png)
(Ⅰ)若曲线
在点
处切线的倾斜角为
,求
的值;
(Ⅱ)已知导函数
在区间
上存在零点,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e87c42cd8f8a3bc7524ace6fa5c219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db0a3dac8bca2febc99a2acf3e5da61.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e460896eb3b3826735ff8b3a1e34f60d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b899be3c4709ec661d84392b167230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)已知导函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1147d2996ec1d9f6ed902bfe4376f99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25af360a5be162be8e223b46ac0e9989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e337968a0cd4ab488328a614034e35.png)
您最近一年使用:0次
2020-04-06更新
|
1584次组卷
|
9卷引用:辽宁省部分学校2022-2023学年高二下学期期中考试数学试题
6 . 已知函数
,曲线
在
处的切线经过点
.
(1)求实数
的值;
(2)证明:
在
单调递增,在
单调递减;
(3)设
,求
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a0cce5bbef7a460b6f747c5fb878e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8833ba3833480237f47774984958c01d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14764627bbbda81a2e01a27629f0ad83.png)
您最近一年使用:0次
2020-03-18更新
|
306次组卷
|
2卷引用:2020届辽宁省丹东市高三总复习阶段测试文科数学试题
解题方法
7 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求a的值;
(2)函数
(
为自然对数的底数),证明:对任意的
都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c5b5e48448fa5c474f50cbec4c9a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34f02ad9e7b210e9c0dd78658ac0ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
(1)求a的值;
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9775c7f63b572935984c0bbc2ca2613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b6690ddc40697eefd6cb4fdedfa4a7.png)
您最近一年使用:0次
名校
8 . 已知函数
,且曲线
在点
处的切线方程为
.
(1)证明:
在
上为增函数.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d9d9aea33447b453a082df93b41b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa7f46ee060ef1a2ffbd5ba6f9dd79a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4981a5983089d71af2e54d0d7a239e.png)
您最近一年使用:0次
2020-03-25更新
|
398次组卷
|
3卷引用:辽宁省沈阳市沈河区第二中学2021-2022学年高三数学暑假验收试题
9 . 已知函数
.
(1)求函数
的单调区间;
(2)若直线
为曲线
的切线,求证:直线
与曲线
不可能有2个切点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222bd8a1e61f46bee4a2073c365a89f5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046f7611b64badd3fe48a8f9945144e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046f7611b64badd3fe48a8f9945144e2.png)
您最近一年使用:0次
2019-10-24更新
|
2225次组卷
|
2卷引用:辽宁省锦州市渤大附中与育明高中2020-2021学年高三上学期数学第二次月考试题
名校
10 . 已知函数
的图象在
处的切线斜率为
.
(1)求实数
的值,并讨论
的单调性;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66aa5d9819812f0a2aa469471b94d5f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4f19bc4ea459e362a5acaaa82c8cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409eb3f8c7654e0bf87c56eabeca6f34.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453dbcdf18ab830f5959a4988a1ec048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880270d8cc1cf4f9e380f8963cb9f84f.png)
您最近一年使用:0次
2019-11-06更新
|
940次组卷
|
3卷引用:辽宁省沈阳市郊联体2020届高三上学期期末考试数学(文)试题