名校
1 . 若函数
与
满足:对任意
,都有
,则称函数
是函数
的“约束函数”.已知函数
是函数
的“约束函数”.
(1)若
,判断函数
的奇偶性,并说明理由:
(2)若
,求实数
的取值范围;
(3)若
为严格减函数,
,且函数
的图像是连续曲线,求证:
是
上的严格增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec6c7a1da7ecaef51a3d08fbcdf2821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6aefe8450e0c625ee979ecaef16384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bc9c32ab68ddb51b1a4196f50081f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
您最近一年使用:0次
2023-12-12更新
|
694次组卷
|
4卷引用:2024届上海市长宁区高考一模数学试题
2024届上海市长宁区高考一模数学试题(已下线)专题09 导数(三大类型题)15区新题速递(已下线)专题03 函数(三大类型题)15区新题速递河南省信阳高级中学2024届高三5月测试(一)二模数学试题
解题方法
2 . 已知定义在区间
的函数
.
(1)证明:函数
在
上为单调递增函数;
(2)设方程
有四个不相等的实根,在
上是否存在实数
,
,使得函数
在区间
上单调,且
的取值范围为
?若存在,求
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d2f2a63f13c52efec9cb3d2b06be46.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c632f17a9df17d27323360f80ccd0794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d3856e530822adb5ee97d1be8c1bbe.png)
(2)设方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7295806db8311b0768a590129de4d956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.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
3 . 在区间
上,若函数
为增函数,而函数
为减函数,则称函数
为“弱增函数”.已知函数
.
(1)判断
在区间
上是否为“弱增函数”;
(2)设
,且
,证明:
;
(3)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acaa791feb147bd1a8bf5eb4f81a0cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6c51c0949fafc3fe5f1d39cde5377d.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e32125207addc3fdb92ceb0ec80ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce6dbb58d695293227a93780755213e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83f4840fc42695f1f49832015521c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
您最近一年使用:0次
名校
4 . 定义在
上的函数
同时满足以下三个条件:①
;②对任意
,
成立;③当
,
,
时,总有
成立.有下列两个命题:
命题①:函数
在定义域内是增函数;
命题②:对任意
,都有
成立.
则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aae852c3129efc16934aefc54201f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cd2fe62ffe3caa1c6f7976851c9dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f51cd760aeff9365b51e9a85b41e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f6988640a0b9bc4f9637132e6ca470.png)
命题①:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
命题②:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3c756a52c9185ae6d02d9b9312f29.png)
则下列说法正确的是( )
A.①真②真 | B.①真②假 |
C.①假②真 | D.①假②假 |
您最近一年使用:0次
名校
解题方法
5 . 定义在R上的函数
满足:①对
,
,当
时,总有
;②对
,
.
(1)求
;
(2)若对任意
,
,
,均存在以
,
,
为三边长的三角形,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bf60c5e8996d138198fe74f30ce520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3bf19a38ce17b18be77cdbf40665e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9757e4f83e9c85524098a96fea913a79.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](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/538bf484d4428e4eb0f5f23ca8424ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b08a8971841c2a353796511ebd7f9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df37a0e03f334ff2e34b525635868151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556d1f54cec2f69efc7a8bfdeb7737d6.png)
您最近一年使用:0次
名校
解题方法
6 . 设
是定义域为
的函数,当
时,
.
(1)已知
在区间
上严格增,且对任意
,有
,证明:函数
在区间
上是严格增函数;
(2)已知
,且对任意
,当
时,有
,若当
时,函数
取得极值,求实数
的值;
(3)已知
,且对任意
,当
时,有
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a58786946f71a4cca026b03209f077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b98756428d4570b72d0286cb2dc209.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d71122e87403561adbcdac88945c481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2440f783ad81b8da348c4ce89c8149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161d1fa052b4b7b1d991da282b6bf84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75965da655669b120d5f28c4247b7bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f08e4ae2ae9dfb90daf707cb5578c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
您最近一年使用:0次
2023-04-12更新
|
1000次组卷
|
7卷引用:上海市青浦区2023届高三二模数学试题
上海市青浦区2023届高三二模数学试题(已下线)专题03 导数及其应用(已下线)专题02 函数及其应用(已下线)重难点04导数的应用六种解法(1)上海市北蔡中学2023-2024学年高二上学期12月月考数学试卷湖南省株洲市第二中学2023-2024学年高三下学期开学考试数学试卷(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编
名校
7 . 指数级增长又称为爆炸式增长,其中一条结论是:当
时,指数函数
在区间
上的平均变化率随t的增大而增大.
已知实数a,b,满足
.
(1)比较
和
的大小;
(2)当
时,比较
和
的大小;
(3)当
时,判断
的符号.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb83ad27846200a8ac81ff4cf7fd510.png)
已知实数a,b,满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffdd1af016ecdb6d75a43e089a06e62.png)
(1)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdaba8b1591046933f2f725b6b1bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0d2b7d558996d2e2a2ed1ce3011d7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed40cc05a505673f9205c4dba2f1b6f.png)
您最近一年使用:0次
2023-03-23更新
|
950次组卷
|
3卷引用:辽宁省沈阳市2023届高一下学期教学质量监测数学试题
名校
解题方法
8 . 已知函数
(其中
为常数).
(1)如果存在
,使得不等式
能成立,求实数
的取值范围;
(2)设
,是否存在正数
,使得对于区间
上的任意三个实数m,n,p,都存在以
,
,
为边长的三角形?若存在,试求出这样的
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)如果存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89257316dd666125dc597a67226b30ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912f712489225c829ab137329f276f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec45293146fb55d25f8a41369bc3153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51097e2ea1cbdd997d8230c795d11a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8a7e5093058483032df6c32cd58295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565c332fd6d51be145aeccf2a1f2fce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-10更新
|
1035次组卷
|
2卷引用:湖北省武汉市部分重点中学2022-2023学年高一上学期期末联考数学试题
名校
解题方法
9 . 已知函数
,
.
(1)若不等式
对任意
,
恒成立,求实数
的取值范围;
(2)对于
,求函数
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19235af93513ae52117810409db6b8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12724c29358aa4ab11a2269072d6bc4f.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aad29a5dea066766fa0ba45bacb5829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e135a02718e057f697cff737853c564f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbfd726516bbd901771a5482cce35301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
您最近一年使用:0次
2022-11-29更新
|
1310次组卷
|
3卷引用:第二篇 函数与导数专题5 切比雪夫、帕德逼近 微点4 切比雪夫逼近与帕德逼近综合训练
(已下线)第二篇 函数与导数专题5 切比雪夫、帕德逼近 微点4 切比雪夫逼近与帕德逼近综合训练浙江省嘉兴市第一中学2023-2024学年高一上学期10月月考数学试题江苏省淮安市淮阴中学2022-2023学年高一上学期期中数学试题
名校
解题方法
10 . 设定义在
上的函数
满足:①对
,
,都有
;②
时,
;③不存在
,使得
.
(1)求证:
为奇函数;
(2)求证:
在
上单调递增;
(3)设函数
,
,不等式
对
恒成立,试求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f09285f931bc3754410b6dffa53e4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e532d7fd74b192af0eb6ab598971a8b.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b017ec7de129a26a325c52db6a3abfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b6c58f9bcbbcf99ba037e3bd4497a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8265a52147b71939bf1f37eba52c609b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
您最近一年使用:0次
2022-11-18更新
|
2047次组卷
|
4卷引用:专题07 函数恒成立等综合大题归类