1 . 已知函数
.
(1)当
时,求
在(
)处的切线方程;
(2)若函数
在[1,4]上有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b908865e680c4cf00c5fc053b4e4a0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf6b652de917d410dbcf3653b2dd7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bcd853d0647545473aef2b58684c3b5.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-04-01更新
|
507次组卷
|
5卷引用:云南省大理州祥云县2019-2020学年高二下学期期末统测数学(文)试题
名校
2 . 已知函数
.
(1)若
,求函数
的单调区间;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5921959f23290c17c6315d11267ac6d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-27更新
|
622次组卷
|
2卷引用:云南省泸西县第一中学2023届高三上学期期末学业质量监测数学试题
名校
解题方法
3 . 已知函数
,
,其中
.
(1)试讨论函数
的单调性及最值;
(2)若函数
不存在零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9081a672c69e96b8d4a486c2f84a6fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f1f33a0b305d7d59d8e685e5ddf985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知函数
.
(1)求
的单调区间与极值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad05c07c1ff46ae080b1da6531d5adb7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4c93a1f11e5c16795bb60549eb4668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee22fc9e38ae24380910a2ffb23d7c37.png)
您最近一年使用:0次
2020-03-19更新
|
304次组卷
|
2卷引用:云南省楚雄州元谋县一中2018-2019学年上学期高三期末监测试卷数学文科试题
解题方法
5 . 已知函数
.
(1)若
,求
在
上的最大值;
(2)当
时,
有两个极值点
、
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0fa812bb1a945f273ced9e27e3a903f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.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/147f89995c5aa07ce7f797c308c9c7d2.png)
您最近一年使用:0次
2020-02-29更新
|
737次组卷
|
3卷引用:云南省楚雄州2020届高三上学期期末考试数学(文)试题
名校
6 . 已知函数
,且
.
(1)求
;
(2)证明:
存在唯一极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427a3493f9402bd8c042b71362a0b0ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fdeabee5d81770621fddb60562e7f7.png)
您最近一年使用:0次
名校
7 . 已知函数
.
(1)当
时,求
在点
处的切线方程;
(2)令
,若对于任意的
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3096c3e48898f04816eaf1ffd88b01.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a215072a06d124b82e3aae30a5e34fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0527a896aec4a245945e5edee00deed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec47cf76452e6167f06a369c5b171b7f.png)
.
(1)讨论函数
的极值点的个数;
(2)若
有两个极值点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261c0899711077922ca479c99ffe2fef.png)
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec47cf76452e6167f06a369c5b171b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30aa3954054926017cb81e5f2cd122b7.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261c0899711077922ca479c99ffe2fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490a94eb75198d47e94a4169521326b.png)
您最近一年使用:0次
2020-02-01更新
|
2841次组卷
|
15卷引用:2020届云南省楚雄州高三上学期期末考试数学(理)试题
2020届云南省楚雄州高三上学期期末考试数学(理)试题2020届安徽省安庆市上学期高三期末数学(理科)试题2020届甘肃省白银市靖远县高三上学期期末联考数学(理)试题安徽省皖西南联盟2019-2020学年高三上学期期末数学(理)试题2020届河南省名校(南阳一中、信阳、漯河、平顶山一中四校)高三3月线上联合考试数学(理)试题(已下线)专题09 恰当分类,搞定函数中参数讨论题(第一篇)-2020高考数学压轴题命题区间探究与突破(已下线)专题21 函数与导数综合-2020年高考数学(理)母题题源解密(全国Ⅲ专版)(已下线)考点53 利用导数求极值与最值(练习)-2021年高考数学复习一轮复习笔记(已下线)专题02 导数(文)第三篇-备战2020高考数学黄金30题系列之压轴题(新课标版)北京市第八十中学2021届高三考前练习数学试题江西省南昌县莲塘第一中学2020-2021学年高二3月质量检测数学(文)试题甘肃省天水市第一中学2020-2021学年高三第八次模拟数学(理)试题福建省华安县第一中学2022届高三上学期期中考试数学试题福建省福清市一级达标校2023届高三上学期期中联考数学试题四川省隆昌市第七中学2022-2023学年高三上学期10月考试理科数学试题
9 . 已知函数
,
,其中a为常数,e是自然对数的底数,曲线
在其与y轴的交点处的切线记作
,曲线
在其与x轴的交点处的切线记作
,且
.
(1)求
之间的距离;
(2)若存在x使不等式
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817c0db45a27b8026fd82ed14d9e1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7508df4eea1a5cded24ab4b171112ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
(2)若存在x使不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7bb4d90305290efc205654c872257b6.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求
的单调区间;
(2)是否存在实数
,使
对
恒成立?若存在,求出
的值,若不存在,请说出理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51b45c6ae148fd6ee91b3cd79050726.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7393fc425948d4261bb6c7d67f88e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次