名校
解题方法
1 . 已知函数
.
(1)若
在区间
上单调递增,求a的取值范围;
(2)证明:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae48272779f294b8dd0b74ec94d0422.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1522e9d83de2b82983105a0fb3468f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83fd0c13ff68c422a80054b285ad6c0.png)
您最近一年使用:0次
2022-05-27更新
|
1336次组卷
|
3卷引用:名校联盟山东省优质校2022届高三毕业班5月模拟考试数学试题
2 . 已知函数
.
(1)当
有两个极值点时,求
的取值范围;
(2)若
,且函数
的零点为
,证明:导函数
存在极小值点,记为
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48710031d38df35eb1b6121d7877b459.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb805329c2b3e315c8940be25720afbd.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/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
您最近一年使用:0次
名校
解题方法
3 . 已知正项数列
的前
项和为
,若
,
,数列
的前
项和为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5ffc469770196dfb877f6ebfbaf56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5173d9e7635b9c2ce011bcbe9c5171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() |
B.![]() |
C.![]() |
D.满足![]() ![]() ![]() |
您最近一年使用:0次
2022-05-26更新
|
1431次组卷
|
2卷引用:山东省济宁市2022届高三模拟考试(三模)数学试题
4 . 已知函数
,其中
.
(1)求函数
的单调区间;
(2)当
时,
①证明:
;
②方程
有两个实根
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9364cf34c6ad9238b8f40bd2f5b01c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13361fca8e9ae964ff1451234b6cafd7.png)
②方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91047208021f0b48b20cea2ad7fd99a7.png)
您最近一年使用:0次
5 . 已知函数
.
(1)当
时,求
的单调区间;
(2)若
有两个极值点
,且
,从下面两个结论中选一个证明.
①
;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44d4a909a7a5958b7a9ad080b63fce9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711176b6dfcddda0fcfa53205a8a4e48.png)
![](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/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473a066aa0bedb9b1fc322f56137f9b9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40c627b3eac978b639beb32077b6be2.png)
您最近一年使用:0次
2022-05-18更新
|
1776次组卷
|
6卷引用:山东省威海市2022届高三下学期三模数学试题
山东省威海市2022届高三下学期三模数学试题(已下线)第17讲:第三章 一元函数的导数及其应用(测)(提高卷)-2023年高考数学一轮复习讲练测(新教材新高考)(已下线)专题10 导数与函数的单调性(讲义)-2023年高考数学一轮复习精讲精练宝典(新高考专用)(已下线)专题3-7 利用导函数研究双变量问题-1四川省宜宾市第四中学校2023-2024学年高三上学期开学考试理科数学试题(已下线)技巧04 结构不良问题解题策略(5大题型)(练习)
名校
解题方法
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17173df9bda8f54ced948ffa70de5144.png)
(1)求函数
的极值;
(2)若
且
,证明:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17173df9bda8f54ced948ffa70de5144.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d51295542833022a105ece898c8106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb24805fe24281b361058b274ca8e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f08408f9ccd01cd51d4e73ce2d4af11.png)
您最近一年使用:0次
2022-05-17更新
|
679次组卷
|
2卷引用:山东省肥城市2022届高三下学期高考适应性训练数学试题(二)
名校
解题方法
7 . 已知函数
,
是自然对数的底数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f53f81bca037a4383c1fab122a3cd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
A.![]() ![]() |
B.![]() |
C.若![]() ![]() |
D.对任意两个正实数![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-05-15更新
|
1444次组卷
|
4卷引用:山东省肥城市2022届高三下学期高考适应性训练数学试题(二)
名校
解题方法
8 . 设函数
.
(1)当
时,
恒成立,求k的最大值;
(2)设数列
的通项
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a207c5cf632eb4f39859b9f556df983.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ececf066e41db202ab30f5f26c78c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe65fbf941ce2be8b71b4329bac4bc7.png)
您最近一年使用:0次
2022-05-11更新
|
672次组卷
|
2卷引用:山东省菏泽市2022届高三二模考试数学试题
解题方法
9 . 已知函数
.
(1)若对任意
,
恒成立,求实数m的取值范围;
(2)设函数
在
上的最小值为a,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c0b471c9a4ff941c65b0dc3b7605b7.png)
(1)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1d30fcb19b3b298bfecb85fe81b8f5.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3136cbfeb0494172b85cda7d88983727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d8fca13bee2083cdb388705928ed2a.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)当
时,
恒成立,求实数
的取值范围;
(2)当
时,
,方程
的根为
、
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae7e0598d342450e040d6bc3bcee683.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f8acae861c1cdc6d9d9c625f7cf69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.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/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443da58a50621ba7af08405b809fb5b5.png)
您最近一年使用:0次
2022-04-08更新
|
1194次组卷
|
5卷引用:山东省潍坊市2022届高三下学期高中学科核心素养测评数学试题
山东省潍坊市2022届高三下学期高中学科核心素养测评数学试题广东省茂名市2022届高三下学期调研(四)数学试题浙江省金太阳2022届高三下学期5月高考仿真考试数学试题海南省中部六市县2022届高三模拟考试数学试题(已下线)临考押题卷02-2022年高考数学临考押题卷(新高考卷)