1 . 已知函数
.
(1)讨论
的单调性;
(2)若
有2个不同的极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0652ba62656bdad2e83395356fdc12.png)
(1)讨论
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6c919a489118dbd0f13d8d618fc68d.png)
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2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1506574b66c9944a2e281ad7635c7c.png)
(1)求函数
的单调区间;
(2)令
,求
在
处的切线
的方程,并证明
的图象在直线
的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1506574b66c9944a2e281ad7635c7c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448757d2108dc92548c97728c7b59283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
3 . 已知函数
,
.
Ⅰ
讨论函数
在定义域上的单调性;
Ⅱ
当
时,求证:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1696f4bc6be0e029b2fb5d619522bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee0d99f80c9c7b9a40941d0bd4bad62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc6c0f268c67f24958511964b86cc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c30d51b7caac006989c9b2031e1bb4c.png)
您最近一年使用:0次
2019-04-03更新
|
3314次组卷
|
6卷引用:【市级联考】内蒙古呼和浩特市2019届高三3月第一次质量普查调研考试数学(文)试题
4 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)若
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a30a20832ae0cf3ad6dfa105a77427.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78dcd5a971a05ae590b9b7a872156acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c77befb23ddbca57b9c341f5b9412e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
5 . 已知函数
,
(注:
是自然对数的底数).
(1)当
时,求曲线
在点
处的切线方程;
(2)若
只有一个极值点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dcc1d499d11e8c462a892e2a8cb5b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a6e994de8c5b24d0a7c460bdffba4b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-06-11更新
|
485次组卷
|
3卷引用:内蒙古呼和浩特市2023届高三二模数学(文)试题
名校
6 . 已知函数
.
(1)若
,讨论函数
的单调性;
(2)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f6aeddd97f92a9e807c1385cb6e43b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f2c6b9a417052c7ce6f5c13d8de9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2f2ca41c6a59b782fc687fa79fbdb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f22b1b79d0d6c21cb1696dfd48bd84.png)
您最近一年使用:0次
2024-01-12更新
|
359次组卷
|
4卷引用:内蒙古呼和浩特市2024届高三上学期学业质量监测数学(文)试题
解题方法
7 . 已知函数
,
.
(1)若
,判断函数
的单调性;
(2)当
时,求函数
的最小值,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395e500432589ef824c36fddc95b28bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b959cac4217df37652e05700018083d1.png)
您最近一年使用:0次
名校
8 . 已知函数
,
.
(1)讨论
的单调性;
(2)定义:对于函数
,若存在
,使
成立,则称
为函数
的不动点.如果函数
存在不动点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9a816b94a4e9a9d03717ae904b134c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db53bd49f4c2314af158baeed9027f40.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)定义:对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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
2019-01-30更新
|
2445次组卷
|
16卷引用:内蒙古师范大学附属中学、第二附属中学2020-2021学年高三下学期开学联考数学试题
内蒙古师范大学附属中学、第二附属中学2020-2021学年高三下学期开学联考数学试题【市级联考】广西柳州市2019届高三1月模拟考试数学(理科)试题河北省衡水市2020届高三下学期3月第五次调研数学(文)试题河北省衡水市2020届高三下学期3月第五次调研数学(理)试题(已下线)强化卷01(3月)-冲刺2020高考数学之拿高分题目强化卷(山东专版)陕西省西安市高新一中2019-2020学年高三下学期3月质量检测数学(文)试题重庆市巴蜀中学2019-2020学年高三下学期3月质量检测数学(文)试题山西省山西大学附属中学2019-2020学年高三下学期3月(总第十一次)模块诊断数学(理)试题山西省山西大学附属中学2019-2020学年高三下学期3月(总第十一次)模块诊断数学(文)试题(已下线)专题02 利用导数求函数的单调性(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖(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)湖北省武汉市蔡甸区实验高级中学2020-2021学年高二上学期第一次质量检测数学试题(已下线)专题10 《导数及其应用》中的动点动直线问题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 天津市静海区第一中学2022届高三下学期4月学生学业能力调研数学试题天津市耀华中学2022届高三下学期高考前冲刺(一)数学试题(已下线)专题02 导数(理)第三篇-备战2020高考数学黄金30题系列之压轴题(新课标版)
解题方法
9 . 已知函数
.
(1)求
在
处的切线方程;
(2)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f26cf20c8e855071e4e58f7fcc424c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6ca34ee113c6429ee195f82fd79de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
名校
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76afab31660b68de63a6064cccecbd6a.png)
(1)讨论
的单调性;
(2)若函数
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76afab31660b68de63a6064cccecbd6a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2375b1772837d97d76ce458d2f7f1dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290eb8c1799671bbf26462323990087a.png)
您最近一年使用:0次
2022-05-08更新
|
708次组卷
|
3卷引用:内蒙古呼和浩特市2022届高三第二次质量数据监测理科数学试题