名校
解题方法
1 . 设函数
.
(1)求函数
的单调区间和极值;
(2)证明当
时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2ed236fc2862d963f8f3a32dc05811.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6330540758a21f46fc7a6d1e6328d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4d3926f3f348f7d9aa7ba93522d433.png)
您最近一年使用:0次
2 . 已知函数
.
(1)求函数的单调区间;
(2)如果当
时,不等式
恒成立,求实数
的取值范围;
(3)求证:
(
)(说明:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
(1)求函数的单调区间;
(2)如果当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0aab66798e1f60dc23c693c14e5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b31318fd60af358cd360a9665f0e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8479d775017088fe0e6ad0e61b075591.png)
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名校
3 . 已知函数
,在点
处的切线为
.
(1)求函数
的单调区间;
(2)若
,
是函数
的两个极值点,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bd6d144442c008fa3d42448844b15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff5ccd7a2aeb75b46df3742f05ef71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae417b17a6133b185088c768265dc1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4d14516ce86b6120e03d119ce2f304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13e5c66b641e6f5bfddff5d1997a34.png)
您最近一年使用:0次
2020-07-20更新
|
301次组卷
|
2卷引用:湖南省长沙市雅礼中学2020届高三下学期5月质量检测理科数学试题
名校
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93f42fcdcb0034e06a340e54db8be5c.png)
(1)若
,求函数
的单调区间;
(2)若
,求证:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93f42fcdcb0034e06a340e54db8be5c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002ad1638f25e355d70d5ab63e637f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf9befc3b336d83b83bcfcbc19c0752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43058c020b5886583a93206bef0847fa.png)
您最近一年使用:0次
2020-03-15更新
|
197次组卷
|
2卷引用:湖南省株洲市第二中学2019-2020学年高二上学期入学考试数学(理)试题
5 . (1)讨论函数
的单调性,并证明当
时,
;
(2)证明:当
时,函数
有最小值,设
的最小值为
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9375bfe5ca0a1aa5d9a486fe06a15abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46e1c4707f6a3e6d77096d2e56e840c.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f83f7dd29b30dc941af7f677ca7d179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135392aded8e80fafbf53b7d93430519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
您最近一年使用:0次
6 . 已知函数
有两个零点
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求
的取值范围;
(2)证明:
随着
的增大而减小;
(3)证明:
随着
的增大而减小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74da4b06c434c46d5a8958ad77f2592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc531505ec45b8eb8ae4fad88d69e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceddc345bfa05b7c0c61ec02470188a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)求
的单调区间;
(2)若
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4173ac78e73d87dab82ebe45c6b72499.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a33f68154d31a6f046ed7d9e0af235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3dfeb2d83e56b7870c4c0c8060ae3b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a415767156945ea8ada9ed3756019fc.png)
您最近一年使用:0次
2020-05-05更新
|
714次组卷
|
8卷引用:2020届湖南师大附中高三摸底考试数学(理)试题
2020届湖南师大附中高三摸底考试数学(理)试题2020届河北省衡水二中高三下学期二模数学(文)试题2020届河北省衡水中学高三下学期二模数学(文)试题(已下线)2021届高三高考数学适应性测试八省联考考后仿真系列卷二广东省揭阳市普宁二中2021届高三适应性(二)数学试题海南省华中师范大学海南附属中学2021届高三上学期第四次月考数学试题(已下线)仿真系列卷(01)- 决胜2021高考数学仿真系列卷(江苏等八省新高考地区专用)江苏省镇江市扬中市第二高级中学2021届高三下学期期初开学考试数学试题
名校
解题方法
8 . 已知函数
.
(Ⅰ)当
时,讨论函数
的单调性;
(Ⅱ)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ea897f30fd80e8bfe0e42f6fb7d347.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db8f867196410e2828e2bbd3183b02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0811e33ea998292e695b85d1c5f915ab.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)求函数
的单调区间;
(2)当
时,对任意
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31911e7133219d36fa73cbe5e5af4aa.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4201cee5ffda2a90d069804c6498ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35af2d17b25f4cab8ff8bbebe6e8301.png)
您最近一年使用:0次
10 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3432393ae8cf7406b2a107fe2d483b0d.png)
(1)判断函数
在区间
上零点的个数;
(2)函数
在区间
上的极值点从小到大分别为
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d74bc831a959f5d2a2b016548eba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3432393ae8cf7406b2a107fe2d483b0d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d111cf6ab2271b6dac1ab7d7bf076e.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d111cf6ab2271b6dac1ab7d7bf076e.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
2019-11-30更新
|
461次组卷
|
2卷引用:湖南省邵阳市新邵县2019-2020学年高三上学期期末文科数学试题