解题方法
1 . 已知定义域在
上的函数
满足对于任意的
,都有
,当且仅当
时,
成立.
(1)设
,求证
;
(2)设
,若
,试比较x1与x2的大小;
(3)若
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db51af23fe06951a95cc040644f6b253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db51af23fe06951a95cc040644f6b253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394688d094c2015a387b81c98074d935.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5973b37d49a18394b019a2608144c247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f24b4fa5308650a244d954f78f09b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e75de44dc8abc44bcd046cd5bc7f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10f689d027ad1851074ebc7641b416e.png)
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2020-06-29更新
|
873次组卷
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4卷引用:湖北省武汉市五校联合体2019-2020学年高一上学期期末数学试题
湖北省武汉市五校联合体2019-2020学年高一上学期期末数学试题(已下线)第二章+函数(能力提升)-2020-2021学年高一数学单元测试定心卷(北师大2019版必修第一册)湖北省华中科技大学附属中学联考体2019-2020学年高一上学期期末数学试题(已下线)第三单元 (综合培优)函数的概念与性质 B卷 -【双基双测】2021-2022学年高一数学同步单元AB卷(人教A版2019必修第一册)
名校
2 . 已知函数
(其中a为实数)为奇函数.
(1)判断
的单调性并证明;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c57e0d4a90203235ade54d15db897e.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df57883f946a3e2e0b6e2af8fdf31a71.png)
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2020-08-07更新
|
451次组卷
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5卷引用:广东省韶关一中2017-2018学年高一上学期期末数学试题
名校
3 . 已知函数f(x)=sinx,g(x)=lnx.
(1)求方程
在[0,2π]上的解;
(2)求证:对任意的a∈R,方程f(x)=ag(x)都有解;
(3)设M为实数,对区间[0,2π]内的满足x1<x2<x3<x4的任意实数xi(1≤i≤4),不等式
成立,求M的最小值.
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5445e739c2396ca7307f71a549f9e819.png)
(2)求证:对任意的a∈R,方程f(x)=ag(x)都有解;
(3)设M为实数,对区间[0,2π]内的满足x1<x2<x3<x4的任意实数xi(1≤i≤4),不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3ed89f32d7b448bd34596cddea0a7b.png)
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2020-01-19更新
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837次组卷
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3卷引用:江苏省南京市2019-2020学年高一上学期期末数学试题
江苏省南京市2019-2020学年高一上学期期末数学试题安徽省芜湖市安徽师范大学附属中学2022-2023学年高一上学期12月月考数学试题(已下线)第11讲 任意角与弧度制、三角函数的概念、诱导公式(12大考点)(3)
解题方法
4 . 已知函数
为奇函数.
(1)求实数a的值,并用定义证明函数
的单调性;
(2)若对任意的
,不等式
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd492d001a460384ca5c5ad7211561f8.png)
(1)求实数a的值,并用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee12f728a95f1776ecd0ab1252278f3.png)
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名校
解题方法
5 . 在①
,②
,③
这三个条件中选择一个,补充在下面问题中,并给出解答.
已知函数
满足______.
(1)求
的值;
(2)若函数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34e9794d31b207750914222a39d9036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c0f05773123ba547d3c3601f846f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8133a711d4223bfd084ef61a9bbc391f.png)
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260fb1a0b83ff1b178208d26fdff659c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc410398f89b9fd7f5a21fbfb557d5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad53834b145315178fb158dec5cdfb34.png)
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2020-07-29更新
|
703次组卷
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9卷引用:山东省临沂市2019-2020学年高二下学期期末考试数学试题
山东省临沂市2019-2020学年高二下学期期末考试数学试题山东省临沂市2019-2020学年高二(下)期末数学试题江苏省扬州市邗江区蒋王中学2020-2021学年高三上学期第一次质量检测数学试题江苏省苏州中学园区校2020-2021学年高三上学期8月期初调研数学试题江苏省南通市四校(四星级学校)2020-2021学年高三上学期第一次联考数学试题江苏省南通市海安市曲塘中学2021-2022学年高三上学期期初9月调研测试数学试题江苏省南通市名校2021-2022学年高三上学期9月质量检测数学试题江苏省淮安市洪泽中学、金湖中学等六校2021-2022学年高三上学期第一次联考数学试题(已下线)第6章 幂函数、指数函数和对数函数(基础卷)-【满分计划】2022-2023学年高一数学阶段性复习测试卷(苏教版2019必修第一册)
名校
解题方法
6 . 已知函数
是奇函数.
(Ⅰ)求
的值,并用函数单调性的定义证明函数
在
上是增函数;
(Ⅱ)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd492d001a460384ca5c5ad7211561f8.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(Ⅱ)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04fa0ef2ec48b16734ee8c90773f53c8.png)
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2020-09-05更新
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529次组卷
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5卷引用:云南省保山市2019-2020学年高一教学质量监测考试数学试题
7 . 若在定义域内存在实数
,使得
成立,则称函数有“和一点”
.
(1)函数
是否有“和一点”?请说明理由;
(2)若函数
有“和一点”,求实数
的取值范围;
(3)求证:
有“和一点”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a64a9bab61d99b7d40fa3731bf75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0499141930680241c2d8fc5bd1922c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec407fd4f177b1ed41245655a9d9cdcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12959f65e9db83c446c35d3261a33171.png)
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8 . 设集合
的元素均为实数,若对任意
,存在
,
.使得
且
,则称元素最少的
和
为
的“孪生集”;称
的“孪生集”的“孪生集”为
的“2级孪生集”;称
的“2级孪生集”的“孪生集”为
的“3级孪生集”,依次类推.......
(1)设
,直接写出集合
的“孪生集”;
(2)设元素个数为
的集合
的“孪生集”分别为
和
,若使集合
中元素个数最少且所有元素之和为3,证明:
中所有元素之和为
;
(3)若
,请直接写出
的“
级孪生集”的个数,设
的所有“
级孪生集”的并集为
,若
;求有序集合组
的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2317480af8719266bb92ee59d6b2c3b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f502064e70176f25ed0e1c29c979a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cbd9271372676f33ffe81bbd9dde52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb573197384b9410cb951a4d1e301b3c.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9674813b5675ed8c5537d4bb95d4d310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设元素个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbaf00c5b066b23f452de07ea567641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f41be870e84c819362787849770519.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e766d9fef6f0780f01c2b0baf8c60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af457c2bf48abccc7f28a9d0368bed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e538aedb8b9da44e5344f140fc49ce.png)
您最近一年使用:0次
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9 . 设函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/01e71f54-b825-4bd0-bac6-202eb1a4db7f.png?resizew=309)
(1)在区间
上画出函数
的图像;
(2)设集合
,
.试判断集合
和
之间的关系,并给出证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90651aae49452b6a2b5f129fee854eb6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/01e71f54-b825-4bd0-bac6-202eb1a4db7f.png?resizew=309)
(1)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4af5195336841d2264ee3a00ae43f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d961d7718b08aa527d52f0c0c525b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e712a7df4b398d21c4045a54e14c8004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2020-06-15更新
|
670次组卷
|
2卷引用:福建省福清市龙西中学2018-2019学年高二下学期期末考试数学(文)试题
名校
10 . 已知函数
(
且
).
(Ⅰ)若
,求
的值;
(Ⅱ)用定义证明
在
单调递增;
(Ⅲ)若
,
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b043fcf34272297ad32d0efc7e083b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825793ebd4bb376a09621f163ac990a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9437f34f9c1bde6c5b06daeaa751112.png)
(Ⅱ)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bbe2631a1be3cd85a4e6dd0090bfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d7594211be320652b99a39b7f0bdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-04-13更新
|
614次组卷
|
3卷引用:山东省威海市文登区2019-2020学年高一上学期期末数学试题