1 . 设
,如果函数
:
的值域也是
,则称之为一个泛函数,并定义其迭代函数列
:
,
.
(1)请用列表法补全如下函数列;
(2)求证:对任意一个
,存在正整数
(
是与
有关的一个数),使得
;
(3)类比排序不等式:
,
,把
中的10个元素按顺序排成一列记为
,使得10项数列
:
,
,
,…,
的所有项和
最小,并计算出最小值
及此时对应的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0367345901c5a716dca179385158c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84315a088ff3d8b91be22d3b3fcd92ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99442281052744a6b74b32e0fc2536f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66a88cbaed58dcf9671ba9240359b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b2c1a76a73797e9d5699f6c9929a50.png)
(1)请用列表法补全如下函数列;
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
2 | 1 | 7 | 5 | 3 | 4 | 9 | 10 | |||
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002bda38860f9cbc17dd7b6a03cfecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d5926ad4ccd91c0ec7ff14018de8b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5328785361a76b5e8f75b034a07c5e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b526c87ad796e8cd189f88c33c8d8fd.png)
(3)类比排序不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109ae0739494164db5b7edae7bfb2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd643dcc6985a78b5dfe3127610e920e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eee7088c883282e2f7d95a1856902fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87139b2d092ad22a082bd2a9fa31901d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4aac3646575e397de3dee4ed5d1060b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f27bc508f582e07211ee24d01bc551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e77ac9dd1c3046137614c0f62e55190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd643dcc6985a78b5dfe3127610e920e.png)
您最近一年使用:0次
解题方法
2 . 如图所示,在平面直角坐标系
上放置一个边长为1的正方形PABC,此正方形PABC沿
轴滚动(向左或向右均可),滚动开始时,点P位于原点处,设顶点
的纵坐标与横坐标的函数关系是
,该函数相邻两个零点之间的距离为m.
(1)写出m的值并求出当
时,点P运动路径的长度
;
(2)写出函数
的表达式;研究该函数的性质并填写下面表格:
(3)试讨论方程
在区间
上根的个数及相应实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208836dfd77253efa91e9956d0d769a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/c65f43f5-df1a-46a4-b0c6-b9a4320af870.png?resizew=162)
(1)写出m的值并求出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f52db3046e7c92b3a7fdd6c34657663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc61760a5002a5e387a33c8b768b292.png)
函数性质 | 结论 |
奇偶性 | |
单调性 | |
零点 | |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f12bc35b1aa8d82897a2ac6acaaabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a23270dc14c9cea8b127f17f554b8e5.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
3 . 已知,若定义域为
的函数
同时满足以下三条:①对任意的
,总有
;②
;③当
,
,
时,
成立,则称函数
为
函数.以下说法:(1)若函数
为
函数,则
;(2)函数
是一个
函数;(3)若函数
为
函数,则函数在区间
上单调递增;(4)若函数
、
均为
函数,则函数
(
,
,且
)必为
函数,正确的有__________ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/249a976e88133f3b3733f09137cf5c42.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/c6a55141a7ecd250e67d1228bdc3a1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848ad4deff72f843948c14364c1e1f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.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/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bde4329e8422d6ead3ee5daa8e456a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f371d431b6c91972b742c426c8a81ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
您最近一年使用:0次
12-13高三上·上海徐汇·期末
名校
解题方法
4 . 函数
,其中
,若动直线
与函数
的图像有三个不同的交点,它们的横坐标分别为
,则
是否存在最大值?若存在,在横线处填写其最大值;若不存在,直接填写“不存在”______________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b44a4c33bea0dd0a7ea00fe4ecc0b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987f968808082a0be5a3b6de2603c523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeeb6e05801d944e97ce184b799573b4.png)
您最近一年使用:0次
2016-12-03更新
|
1072次组卷
|
5卷引用:2013届上海市徐汇区高三上学期期末考试理科数学试卷
(已下线)2013届上海市徐汇区高三上学期期末考试理科数学试卷(已下线)2015届浙江省温州市十校联合体高三上学期期中联考理科数学试卷上海市南洋模范中学2017-2018学年高三上学期10月月考数学试题上海市2017届高三下学期期中模拟调研数学试题(已下线)专题17函数的概念与解析式、函数的运算- 2020年初升高数学无忧衔接(沪教版)
5 . 已知函数
,其中
.
(1)当
时,画出函数
在
上的图象;
(2)若函数
在
上的最大值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db58afeac1cfe83233a8887e16f59b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/2f6762bf-2a3f-42bd-a567-92f803b639f0.png?resizew=164)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/03c81a18-3d07-4815-9c44-580ce0ae3736.png?resizew=397)
(1)画出
的图象,并写出
的单调递减区间;
(2)当实数
取不同的值时,讨论关于
的方程
的实根的个数;(不必求出方程的解)
(3)若关于
的方程
的有4个不同的实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8ee9a78db19cdb2910f315889c0f13.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/03c81a18-3d07-4815-9c44-580ce0ae3736.png?resizew=397)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64df0b608e709e01d8648fcaee04b4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-10-26更新
|
417次组卷
|
2卷引用:山西省晋城市第一中学2022-2023学年高一上学期第三次调研数学试题
名校
解题方法
7 . 已知函数
满足
,函数
是
上单调递增的一次函数,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/6ce63b98-53d2-429f-8456-4d507c4a0850.png?resizew=265)
(1)证明:
,
;
(2)已知函数
,
①画出函数
的图像;
②若
且
,
,
互不相等时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f6b132b0f8a8ce00642f297ab0e7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339b85cca0100adc23472c143f9a5a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4191aed4e079966f89c12cc54a4dbbb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/6ce63b98-53d2-429f-8456-4d507c4a0850.png?resizew=265)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5cb16179eee83ee4c01f1bd9b8371d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee737b76b747390c423bec199aaf37c.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e9e3ca0b965ebe07a3e11d7f2933b.png)
①画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d89c7d892826f42b6fc9b8f7f903b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa688caadfeb5bdf9c7dfecb5afa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb14e2fe3859d5aecf636054ee65d77.png)
您最近一年使用:0次
2022-10-20更新
|
677次组卷
|
3卷引用:福建省厦门第六中学2022-2023学年高一上学期阶段性检测数学试题
解题方法
8 . 已知函数
,
,将
在区间
上的最大值记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/47e88536-2bfa-463c-9bf3-67b8e0a5aa12.png?resizew=187)
(1)当
时,画出函数
的图象;
(2)求
的表达式及
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857f919d6df4cc632e1a607cee3ed0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44aca6c00903b9dd306287ba3bb91035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/47e88536-2bfa-463c-9bf3-67b8e0a5aa12.png?resizew=187)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
您最近一年使用:0次
名校
9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de71d3c68bc17b1ce50668e6b9d8e11c.png)
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754724216676352/2767614934654976/STEM/601f6aaed5bb4794b2ff8ab8336dda51.png?resizew=328)
(1)当
时,画出函数
的图象,并求
的最大值;
(2)对任意的
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de71d3c68bc17b1ce50668e6b9d8e11c.png)
![](https://img.xkw.com/dksih/QBM/2021/7/1/2754724216676352/2767614934654976/STEM/601f6aaed5bb4794b2ff8ab8336dda51.png?resizew=328)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051e6f7bef3d801e1c6778a21844452c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aac7f0b8338de99a8fc1aed9edc3465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7304a6a8560e5472152224332a0fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/3/15/2678654682963968/2682889543393280/STEM/dec1de22-7b8d-46b6-b153-f0c7539daf1d.png)
(1)当
时,画出函数
的图象:
(2)当
时,
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421d89dd3ab20c1674583695ff10969d.png)
![](https://img.xkw.com/dksih/QBM/2021/3/15/2678654682963968/2682889543393280/STEM/dec1de22-7b8d-46b6-b153-f0c7539daf1d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155b83f1a5364b0675f96d522f386791.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-03-21更新
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5卷引用:甘肃省兰州市2020-2021学年高三下学期诊断试题数学(理科)试题
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