解题方法
1 . 设函数
.
(1)若不等式
对任意的
,
都成立,求实数m的取值范围;
(2)关于x的方程
在
上有且只有一个解,求实数k的取值范围.
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacfafc0b01f8e530c7449d8df365424.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf7a0098d4ea8a0ad76dab74698fcb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9013a54452d24014e260fb31fca4e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f86d6c380982b4bef58c7e047983376.png)
(2)关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330d61bc0eac3bb6e1a8aefb73ac171e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)若曲线
在
处的切线与直线
垂直,求实数a的值;
(2)若函数
在
上单调递增,求实数a的取值范围;
(3)当
时,若方程
有两个相异实根
,
,
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7507c1d5b6828fe3d60d88d45aa4df49.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943fecc8fa33ccc1dca0b0cb9e908224.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a248e47163191168a1b363937eebd618.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e4cd1d4f527d8c2b5832e1eccd7dc8.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf6efdf14513762b4f08564f1cdf16c.png)
您最近一年使用:0次
2020-04-27更新
|
773次组卷
|
4卷引用:2019届湖北省黄冈市高三下学期3月调研考试数学(文)试题
2019届湖北省黄冈市高三下学期3月调研考试数学(文)试题河南省南阳市第一中学2019-2020学年高二下学期第三次月考(6月)数学(文)试题四川省泸州高级中学2020-2021学年高三上学期9月月考文科数学试题(已下线)调研测试三(A卷 基础过关检测)-2021年高考数学(文)一轮复习单元滚动双测卷
名校
解题方法
3 . 如图,已知直线
与抛物线
相交于
、
两点,且满足
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abcceb8a90f470553247db02d4ac314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/3003587b95523caeb2d8ccaf27fa5a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/5edfd2db-4e21-466c-a5d5-3aa8390a0013.png?resizew=105)
您最近一年使用:0次
2020-03-25更新
|
197次组卷
|
3卷引用:2019届湖北省黄冈市高三下学期3月调研考试数学(文)试题
名校
4 . 已知
是函数
的导函数,且对任意的实数
都有
(
是自然对数的底数),
若不等式
的解集中恰有两个整数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd73c679a5c46df14ef950391086ac55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcebee4d84fec4a07e5a9c2004869f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,
为自然对数的底数.
(1)求函数
的单调区间;
(2)是否存在常数
,使
恒成立?若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2067fa174c672d795a36146d6d9da8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2beb22b735da7cb8054dd722450632f5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1d4011799d980fd4ba7d0ca15c3686.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
6 . 已知点
在椭圆
:
(
)上,且点
到左焦点
的距离为3.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/d81c4d9a-41f9-4e69-91d0-c2f79b45f080.png?resizew=176)
(1)求椭圆
的标准方程;
(2)设点
关于坐标原点
的对称点为
,又
、
两点在椭圆
上,且
,求凸四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79238e14cbbc951421c74471f9df8692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/d81c4d9a-41f9-4e69-91d0-c2f79b45f080.png?resizew=176)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5acb763021bf166ca719d07223591d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
7 . 已知函数
,
为自然对数的底数.
(1)求函数
的极值点;
(2)若对任意
,都有
,求常数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7490181c4b5308c12a745a60ade5ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47cefa2c33e9ddf44d8d704a385f8e44.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
8 . 已知点
在椭圆
:
(
)上,且点
到左焦点
的距离为3.
(1)求椭圆
的标准方程;
(2)设
为坐标原点,与直线
平行的直线
交椭圆
于不同两点
、
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79238e14cbbc951421c74471f9df8692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
您最近一年使用:0次
名校
9 . 设函数
,其中
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(1)若
,且
是
的极大值点,求
的取值范围;
(2)当
,
时,方程
有唯一实数根,求正数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d1303b891a79b9198aa4b0f30bd197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3e8a28bd46c493e4adb95194f43532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17381b15148bde867610d12773694474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
.
(1)求
在
上的最值;
(2)设
,若当
,且
时,
,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0301b45bdbe9f8f4012eca1cd3457e33.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a6bfe42cbe85e9254d8c9d60da57d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c84b49231d0344d0813a7bbd2acdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aecb3e0e056d5953fe58f5fb02f637c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次