名校
1 . 已知
,
,若存在
,
,使得
,则称函数
与
互为“
距零点函数”.若
与
(
为自然对数的底数)互为“1距零点函数”,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee72a2b8c0f85423676c1593362e4f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8192837f1ea0ade73efaf2bbe7558330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccbc312bb6b14e8d4de18faa3960f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b185b8e702cb0c5dd622d042672e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95ddc4b4add7f825a74246bad338808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea254f2a63e4240b961dcd0e0f928c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0662420f4cd4878273c130a7367eebf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-02-16更新
|
1178次组卷
|
6卷引用:2020届湖南省长沙市雅礼中学高三第5次月考数学(理)试题
2020届湖南省长沙市雅礼中学高三第5次月考数学(理)试题2020届湖南省娄底市高三上学期期末教学质量检测数学理科试题湖南省长沙市雅礼中学2019-2020学年高三下学期第八次月考数学(理)试题湖北省襄阳四中2019-2020学年高三下学期3月月考数学(理)试题(已下线)第四章 导数与函数的零点 专题一 由零点存在(个数)求参数(范围) 微点1 由零点存在(个数)求参数(范围)(已下线)2024届数学新高考学科基地秘卷(六)
2 . 已知函数
.
(1)若
恒成立,求
的取值范围;
(2)若
,试研究
的单调性;
(3)若
,
是函数
的两个零点,且
,求证
:.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df38c1a5d4cad876599861229f0a2901.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6b693b2ace2a0477597dd0fe1f7d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
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3 . 已知函数
(e为自然对数的底数,
为实数).
(Ⅰ)若函数
在点
处的切线方程为
,求实数
的值;
(Ⅱ)若
,当
时,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d4a896b76a00178fa85e6703900b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d701d16d9f318ee8fa779f5b961d64c.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f6ed76662695d4c711be57a16c3197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58517c4d8252f1953661fac8b05dfe5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d701d16d9f318ee8fa779f5b961d64c.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 函数
(e为自然对数的底数),若任意
,都有
,则实数
的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcdf375fcfd3aab2a116bba1bd31829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f5e8ffac6270a90b74f11fc2121171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
名校
5 . 已知函数
.若不等式
的解集中整数的个数为3,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fda7a7b32ff2d0da2cddcecfd0ab8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-06-16更新
|
610次组卷
|
2卷引用:湖南省长沙市长郡中学2018-2019学年高二下学期期末考试数学(理)试题
名校
6 . 已知函数
.
(Ⅰ)证明:
;
(Ⅱ)若直线
为函数
的切线,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dcbc4f794f967e4b436ca674c37baf2.png)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a025d1046a385a45c4b072a09c5b6bc.png)
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79cb3ff8275ea5f27e171963f947fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
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2019-05-19更新
|
914次组卷
|
3卷引用:湖南省衡阳市第一中学2019-2020学年高二上学期期末数学试题
名校
7 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2b1aaa9beae3a23b1042cf8ff47c8a.png)
,
(1)讨论
的单调性;
(2)若函数
有两个零点
、
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2b1aaa9beae3a23b1042cf8ff47c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829589b2af245e70166896a1c8e35853.png)
(1)讨论
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d10b77f7e61b742705663140e714630.png)
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2019-03-28更新
|
926次组卷
|
2卷引用:湖南省岳阳市岳阳县第一中学2022-2023学年高二下学期6月期末数学试题
真题
名校
8 . 已知函数
,且
.
(I)试用含
的代数式表示
;
(Ⅱ)求
的单调区间;
(Ⅲ)令
,设函数
在
处取得极值,记点
,证明:线段
与曲线
存在异于
、
的公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a6fa02d56e7338c83cf1ae518e3ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1d5773c2a66d07542c7e889b9290cb.png)
(I)试用含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅲ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7892193e97bf330eec0782dfb18fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354ac24bac46e33412478cf3fd5e94f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b29c4d4920e170601a711bcaf6cf59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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2019-01-30更新
|
1897次组卷
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9卷引用:2014-2015学年湖南省株洲市第二中学高二上学期期末文科数学试卷
2014-2015学年湖南省株洲市第二中学高二上学期期末文科数学试卷2009年普通高等学校招生全国统一考试文科数学(福建卷)(已下线)2011届云南省昆明市一中高三第三次月考文科数学试卷(已下线)2012-2013学年福建省晋江市季延中学高二上学期期末考试理科数学卷2015届山东师大附中高三第九次模拟考试文科数学试卷2019年广西柳州高中、南宁二中两校联考高三上学期第一次考试数学(理)试题2020届广西南宁二中、柳州高中高三上学期第一次联考数学(文)试题江苏省徐州市2019-2020学年高二下学期期末抽测数学试题(已下线)专题04 三次函数的图象和性质-2
名校
9 . 设
.
(1) 求函数
的单调区间;
(2) 若
证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d54718906d91b955180be9f06f87ee9.png)
(3)若函数
有两个零点
,且
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bd0286988ce9c04cb07927125e5e18.png)
(1) 求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87676cc3ca413d9ba64fab2cd45c909c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d54718906d91b955180be9f06f87ee9.png)
(3)若函数
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019高三上·全国·专题练习
名校
10 . 已知函数
.
(1)若
在点
处的切线方程为
,求
的值;
(2)若
是函数
的两个极值点,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f7981dc8d3a12171e99d93028da174.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a020607e7478fc091525240b0580b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265db897568009cb264adaceadcd3bf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cacf1d82e1130acd8b18a95a4bc314c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2dc42f7622717d6eb5d1c66b7469d3.png)
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