解题方法
1 . 已知函数
,其极大值点和极小值点分别为
,记点
,直线
交曲线
于点
,若存在常数
,使得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef3e79110067a46276f0869bea25af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2790aecde6df3b05f195ab8daddb56be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e11699fa0813a5e9d6baf694f5bf4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357924c44549675683398a0b7c9bcb26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b647867d91de52884cea8c492fb0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b29e5cc1e369f351eb1b505919f6ab.png)
A.函数![]() ![]() ![]() |
B.令![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-06-16更新
|
305次组卷
|
2卷引用:辽宁省七校协作体2023-2024学年高二下学期6月月考数学试题
名校
3 . 已知
,其中
,则
的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a451604bbc523c83b10d104f4e2986a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee03b40111d964fdb502f42c5966601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2bbbb39cfb42c81cfb75b52a6fbc43.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-03更新
|
420次组卷
|
2卷引用:辽宁省丹东市东港市第二中学2024届高三下学期高考热身考试数学试卷
名校
解题方法
4 . 若函数
在
上有定义,且对于任意不同的
,都有
,则称
为
上的“
类函数”.
(1)若
,判断
是否为
上的“2类函数”;
(2)若
,为
上的“2类函数”,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f0e1ac411fd3a260a5c71df178bd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62f64bce0222f01a519ab1b26236bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4613910bb8aa030db2fc5d2768e533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f248318141e0016d38f9f5a692797f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3616e4a7268ef41b750fe22afbcd74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f248318141e0016d38f9f5a692797f.png)
您最近一年使用:0次
2024-05-08更新
|
283次组卷
|
4卷引用:辽宁省沈阳市东北育才学校2023-2024学年高二实验部下学期阶段检测二(6月)数学试题
辽宁省沈阳市东北育才学校2023-2024学年高二实验部下学期阶段检测二(6月)数学试题山东省德州市第一中学2023-2024学年高二下学期期中检测数学试卷广西南宁市第二中学·柳州高级中学2023-2024学年高二下学期5月联考数学试题(已下线)拔高点突破05 函数与导数背景下的新定义压轴解答题(九大题型)
名校
5 . 已知函数
,关于
的不等式
的解集为
,其中
,
为常数.给出下列四个结论:
①直线
是曲线
的一条切线;
②
;
③当
时,
的取值范围是
;
④要使
取唯一的值,仅当
.
其中,所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe819909452c1edb8e1f0e3f1adc562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce84901e2f29f740265e278be8e34de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea69fb59dc615852a0d248675788d82e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a27c31d57a84a5928898de139cb40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b5b0840d90d0654e9bcb0f866ff10d.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51969fc1a8030cef11cab59267689e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50188f84f379b3d0418c54cbade7d7.png)
④要使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdc6e6a0e6584bea7deb91b0841fa28.png)
其中,所有正确结论的序号是
您最近一年使用:0次
名校
6 . 定义:若函数
图象上恰好存在相异的两点
满足曲线
在
和
处的切线重合,则称
为曲线
的“双重切点”,直线
为曲线
的“双重切线”.
(1)直线
是否为曲线
的“双重切线”,请说明理由;
(2)已知函数
求曲线
的“双重切线”的方程;
(3)已知函数
,直线
为曲线
的“双重切线”,记直线
的斜率所有可能的取值为
,若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ece491f9ba053a2ead5ad54138d779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d430e6eb5f8b43723db095937fbc74f7.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5776b27d76690a67770d954a47bfb0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6f04900fb8400a415b1067320a2f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e540ef465ca68c186cc972d54d3a268e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6b9ccddda8585a04f8ab4d4b4583a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a097fa8e3bfa45de1ea35f1ad907fe3.png)
您最近一年使用:0次
2024-04-17更新
|
1263次组卷
|
6卷引用:辽宁省辽阳市2023-2024学年高三下学期二模数学试卷
辽宁省辽阳市2023-2024学年高三下学期二模数学试卷广西2024届高三4月模拟考试数学试卷河北省邢台市2024届高三下学期教学质量检测(一)数学试题(已下线)模块五 专题5 全真拔高模拟5(苏教版高二期中研习)(已下线)专题16 对数平均不等式及其应用【练】(已下线)拔高点突破05 函数与导数背景下的新定义压轴解答题(九大题型)
名校
7 . 已知函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59954d6041218aa35bd48feadf4a54e7.png)
(1)讨论
的零点个数;
(2)当
时,|
求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59954d6041218aa35bd48feadf4a54e7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b415e4e82168bfc22411a04177ce42c8.png)
您最近一年使用:0次
2024-04-04更新
|
1373次组卷
|
2卷引用:2024届辽宁省辽宁名校联盟(东北三省联考)高三3月模拟预测数学试题
名校
解题方法
8 . 已知函数
,
(其中a,b为实数,且
)
(1)当
时,
恒成立,求b;
(2)当
时,函数
有两个不同的零点,求a的最大整数值.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0649eac6b5d3ebed30fd4dd2a5e1680a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea9253df81a260c467b1356513b9616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53e35ff01eb30e5e8c1b19a8e69a65a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e143d31a5ae4d2fb8cba2466bae1fe54.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数的定义域为区间
值域为区间
,若
则称
是
的缩域函数.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976fb7aa0a722e6ef72490a3ea8f0f1f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06423121eb93e8ac0d57822ce0b7ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a97eefafdd1eb2631b2beb28db8e0a.png)
(i)当时,
在
单调递减;
(ii)
您最近一年使用:0次
10 . 已知函数.
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64063aec94b7957d6db607ba402bf640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次