1 .
,
,已知
的图象在
处的切线与x轴平行或重合.
(1)求
的值;
(2)若对
,
恒成立,求a的取值范围;
(3)利用如表数据证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f40b512163dd11b0523dd0da75f2206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d440669c516d6dff0fedaf3eed41aca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f832d9cca2d5c9d76d38374e2a258d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(3)利用如表数据证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9201fb7af855df0e2e7c82c2434a7b1.png)
1.010 | 0.990 | 2.182 | 0.458 | 2.204 | 0.454 |
您最近一年使用:0次
名校
2 . 黎曼猜想是解析数论里的一个重要猜想,它被很多数学家视为是最重要的数学猜想之一.它与函数
(
,s为常数)密切相关,请解决下列问题.
(1)当
时,讨论
的单调性;
(2)当
时;
①证明
有唯一极值点;
②记
的唯一极值点为
,讨论
的单调性,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755d78f27a96bf14b96dff9913851df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862659eee15ac003d2d2c53d9abbf5c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b366d99460274e9ab2187c11af8a6372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f15bcd4917a74ec6f505f0e10833a7f.png)
①证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
②记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010dec4fc2df0b58992eb4515cd13eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010dec4fc2df0b58992eb4515cd13eff.png)
您最近一年使用:0次
2024-01-15更新
|
2865次组卷
|
9卷引用:天津市第一中学滨海学校2024届高三第六次学业水平质量调查数学试卷(开学考)
天津市第一中学滨海学校2024届高三第六次学业水平质量调查数学试卷(开学考)2024届广东省惠州市大亚湾区普通高中毕业年级联合模拟考试(一)数学试卷2024届广东省大湾区普通高中毕业年级联合模拟考试(一)数学试题湖南省长沙市长郡中学2024届高三一模数学试题(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编吉林省通化市梅河口市第五中学2024届高三下学期一模数学试题(已下线)专题2 导数与函数的极值、最值【练】辽宁省锦州市某校2023-2024学年高三下学期考前测试数学试卷(A)河南省信阳市新县高级中学2024届高三考前第七次适应性考试数学试题
名校
解题方法
3 . 已知
,
,且
在点
处的切线与直线
垂直.
(1)求实数
的值.
(2)若
的图象经过原点,且
,当
时,
过点
的切线至少有
条,求实数
的取值范围.
(3)若
,且
,其中
,
均为正实数.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dc19a078760863c7e681e59e0ec56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8bb7e252de0e54ca82ad2c36ffba37.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/227d4946b9dbfdc8bef33b42b6a82572.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbab1a525c4451a43041defaa18a98f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9fab43d7bc79776880a47091152b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa70fa7eb86c3733e2c1f1c7d07dd802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7892b90ae2ff71fd827c95e5aabc3049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca96bf407a3ba46ef3c59c5eee4137c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b13fac1480b428cb4ee4555852024.png)
您最近一年使用:0次
名校
解题方法
4 . 【新学法】运用导数研究函数问题的关键一步是条件的翻译,所以请同学们不用解答,写出关键翻译步骤或转化过程.
(1)
,均有
成立,求实数
的取值范围.请写出本题的转化过程,不用计算结果.
(2)已知函数
.设a,b为两个不相等的正数,且
,证明:
.本题解题的关键之一是应把“
”转化为
(3)设
,
,其中a,
.设
,若对任意给定的
,在区间
上总存在
,使
成立,求b的取值范围.本题解题的关键之一是应把“
成立这一条件转化为数学问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3014a553ad914e963a9d0a34583dd277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e3b2e97106a0651d6756f471e0a610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f16ecf00e593999e81a50906659f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef01d96d9249fe271bdf985850f9b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a2a62cf41a19cfa86eda86623e569cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef01d96d9249fe271bdf985850f9b18.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e960bdad0cf39c554f9cc2a364e4378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab74e118f806b2aa600ea0eb2cccaec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a733c45def518ffdb84b1a3c8bc508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede47fb90337bf15538fad3205920f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a48c396dcc3949ecc6a5f7286596d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7796652c3e8ca4881dc0f894491b9279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7796652c3e8ca4881dc0f894491b9279.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,其导函数为
,设
,下列四个说法:
①
;
②当
时,
;
③任意
,都有
;
④若曲线
上存在不同两点
,
,且在点
,
处的切线斜率均为
,则实数
的取值范围为
.
以上四个说法中,正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ed50e930270b0c87bf92d7e2ac9aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7667e3a020f9d2883ffbaaed15e271b1.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee20c6d21a9d928066f304366965d21.png)
③任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dabe80be1ec903aab583de07bd072f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7a1783349936cc7254a4a8694c6812.png)
④若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df52d934120d01bb008ff93115f09d93.png)
以上四个说法中,正确的个数为( )
A.3个 | B.2个 | C.1个 | D.0个 |
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名校
6 . 已知函数
有最大值
,
(1)求实数
的值;
(2)若
与
有公切线
,求
的值.
(3)若有
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91c20849a830a86f287b7913a7b4652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845e5670761cc50147a6f50bc2a30b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c939c087e55933859467ac8c5c57dfce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18d6ca6f17a219faad5eebc5ec5f1.png)
(3)若有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b867c903bdbadb2f47301f64fa3213f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18d6ca6f17a219faad5eebc5ec5f1.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,
(1)若函数
在
处的切线也是函数
图象的一条切线,求实数a的值;
(2)若函数
的图象恒在直线
的下方,求实数a的取值范围;
(3)若
,且
,判断
与
的大小关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab8960ca025178e683c8f64f0acfd78.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d922e63d8a0838da6fdacee919ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f6b79ab0cea6b3fcc0cec34ba04b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e9458b51c4c643607b45a249fa99ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0223178951569fd4add0b20b342e9b5a.png)
您最近一年使用:0次
2022-04-21更新
|
546次组卷
|
2卷引用:天津市第三中学2022届高三下学期二模数学试题
真题
解题方法
8 . 函数y=f(x)在区间(0,+∞)内可导,导函数
是减函数,且
.设x0∈(0,+∞),
是曲线y=f(x)在点(x0,f(x0))的切线方程,并设函数
.
(1)用
表示m;
(2)证明:当x0∈(0,+∞)时,
;
(3)若关于x的不等式
在[0,+∞)上恒成立,其中a,b为实数,求b的取值范围及a与b所满足的关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e808873b814cf720131eeed83e88bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0195b09df4650c8e818131f4608000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46240f61b85f15c0ef80b30b599c9772.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba09c544777391218919e9146d45ad2.png)
(2)证明:当x0∈(0,+∞)时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e653994b245fbdc2ac3458429c65e69e.png)
(3)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c070bd52b36f70fe52b7d5187de1163.png)
您最近一年使用:0次
2021-12-09更新
|
424次组卷
|
3卷引用:天津市南开区南大奥宇培训学校2020-2021学年高三上学期第一次月考数学试题
天津市南开区南大奥宇培训学校2020-2021学年高三上学期第一次月考数学试题2005年普通高等学校招生考试数学试题(辽宁卷)(已下线)考点20 导数的应用--不等式问题 2024届高考数学考点总动员【练】
名校
解题方法
9 . (1)已知
若
使得
成立 ,求实数a的取值范围.本题解题的关键是应把“
”这一条件转化为
(2)
,
均有
成立,求实数
的取值范围.请写出本题的转化过程,不用计算结果.
(3)已知函数
,
,
是函数
的极值点,若对任意
的,总存在的
,使得
成立,求实数
的取值范围.本题解题的关键是应把“
”这一条件转化为
(4)已知函数
,若存在
,
,使得
,求
的取值范围.
(5) 已知函数
.若
,
是
的两个极值点,且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d889aed83eb3de697e4941cc172d65d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c20cebe242708e2e5be1041bdea2e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c368430c7da48f551da8e33aeb3ec0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c368430c7da48f551da8e33aeb3ec0dd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9edacf657300060f533d04cd839bd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e3b2e97106a0651d6756f471e0a610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9435bef426cc8838bfe7511c5e5e7c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1deedac12588a3152e165475dfbaa5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61d77911527508524874b212a0937d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bfb9e7afc6c1a6a5a5dca07d984517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4672f1227c57dd7b11339df9dcdd86b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca5c282908fef3f0481e376f42c490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca5c282908fef3f0481e376f42c490.png)
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b62eeec71822417b38cae64d9c43620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2e078c61be9422d603d19368f10f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fe3251e054fe97089806ba7033f802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbf8da534490147db4fee75f71a4c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03bcc0761987a294cda9ca59f5d7e2e.png)
(5) 已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c73eb4532373dc5f9e3408b8b9640c.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/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795ed79c2a310d99c9111255d0dc4f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
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解题方法
10 . 已知函数
,
.
(1)若
,求
的取值范围;
(2)求证:
存在唯一极大值点
,且知
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f035e42df8f6be20fe99d36245395d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beca3a6d6b6f5dbad1d6466c1d3a60b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559250e7a91f36fe7a8ec6ce6a1550f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c28ef59d2079f8779315c30f0e45bf9.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dddca059c0e724cff370b46d578ec74.png)
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2021-10-24更新
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