名校
解题方法
1 . 记
,其中
,例如
.
(1)若
,求
的取值集合;
(2)解关于
的不等式
;
(3)已知对任意正整数
,实数
满足
,记
,其中n为正整数,若
且
,求
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4530cd47a73dd9a1b2d89a0b5daeec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23401fbb87375f9022c1e118a796f404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbea4bf2a650b088fddb1c328a215eb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d62b27b74240d7a80d7bbaafe4c39b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487c82925e104d62153dbb7753ff9c86.png)
(3)已知对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce67db3a873de832a685b0324b95b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b091b775b7a4c75127570108d0edb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c16f21fb7ef4b9b98a81cdad840098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb4e491019643f3f86bd011dcbd7139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2022-09-06更新
|
457次组卷
|
4卷引用:上海市建平中学2021-2022学年高一上学期期中数学试题
上海市建平中学2021-2022学年高一上学期期中数学试题(已下线)期中模拟预测卷02(测试范围:前三章)-2022-2023学年高一数学上学期期中期末考点大串讲(沪教版2020必修第一册)内蒙古自治区赤峰市红山区2022-2023学年高一上学期期末数学试题(已下线)第二章 等式与不等式(压轴必刷30题7种题型专项训练)-【满分全攻略】(沪教版2020必修第一册)
2022·上海浦东新·模拟预测
名校
解题方法
2 . 已知定义域为
的函数
.当
时,若
(
,
)是增函数,则称
是一个“
函数”.
(1)判断函数
(
)是否为
函数,并说明理由;
(2)若定义域为
的
函数
满足
,解关于
的不等式
;
(3)设
是满足下列条件的定义域为
的函数
组成的集合:①对任意
,
都是
函数;②
,
. 若
对一切
和所有
成立,求实数
的最大值.
![](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/24600bfcfb91c661eb9d237956e011ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0a5af03cc59bf58c1385988a746668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd5f68f8223717c5f9e7a35da919f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5707b77c17eca36e53457fdbc7912ae.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b0cf56d1d3347f1301e42197259c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a59df0f69cdcb8bbd1e7369d3b730ab6.png)
(2)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72dfa26de75e699e91401e1c7769db70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78db8978ef52545c2d1effc0f52b7f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8528f8c2cefedbaedb13cd43540357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8562a7044c527888e2dd7fa42feda7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8321b2ac0cb0a0d6aa579dcbc9578ec.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac532cbc6695639c3816e49c809aed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2288a34a490fd0c8f4d566959a1e97b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2972af8c65701183de194c358b83256c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7576241e80f3fdd887fed12ebb5d2273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a824bb87d715617e270c800204d7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01d67fd2a155c3dd322dc971370a4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ae7943f38c810776e3dab3a8587f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa10bec00d5ea02234be29a9fd92a647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-07-05更新
|
1752次组卷
|
8卷引用:上海市华东师范大学第二附属中学2022届高三考前模拟数学试题
(已下线)上海市华东师范大学第二附属中学2022届高三考前模拟数学试题(已下线)考向10函数与导数(重点)-2上海市行知中学2023届高三上学期10月月考数学试题上海市曹杨第二中学2023届高三上学期12月月考数学试题广东省广州市华附2023-2024学年高一上学期期中数学试题(已下线)第三章 函数的概念与性质单元测试基础卷-人教A版(2019)必修第一册2024届高三新高考改革数学适应性练习(九省联考题型)广东省茂名市电白区第一中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
3 . 《九章算术·商功》:“斜解立方,得两堑堵.斜解堑堵,其一为阳马,一为鳖臑.阳马居二,鳖臑居一,不易之率也.合两鳖臑三而一,验之以棊,其形露矣.”刘徽注:“此术臑者,背节也,或曰半阳马,其形有似鳖肘,故以名云.中破阳马,得两鳖臑,鳖臑之起数,数同而实据半,故云六而一即得.”
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/e5993170-2f4e-4cc5-b942-25e82698d51b.png?resizew=444)
如图,在鳖臑ABCD中,侧棱
底面BCD;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/a607565f-9b51-4909-854f-36d57edfe0e2.png?resizew=340)
(1)若
,
,
,
,求证:
;
(2)若
,
,
,试求异面直线AC与BD所成角的余弦.
(3)若
,
,点P在棱AC上运动.试求
面积的最小值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/e5993170-2f4e-4cc5-b942-25e82698d51b.png?resizew=444)
如图,在鳖臑ABCD中,侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/a607565f-9b51-4909-854f-36d57edfe0e2.png?resizew=340)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00be7c72b7d222730571ce5d7c288eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c125d80008eed00b5bf47dc5df47246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e468b7ccc9795b5feb53ad072e597b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f2b8dcbb2f7c2047896bc7aecc22bf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9c7cbcc38b28d45c8539710e5b260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e1ab67f8e48ad3340cf9d165cd75f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
您最近一年使用:0次
名校
4 . 已知函数
,
,定义函数
.
(1)设函数
,
,求函数
的值域;
(2)设函数
,
,当
时,恒有
,求实常数t的取值范围;
(3)设函数
,
,k为正常数,若关于x的方程
(b为实常数)恰有三个不同的解,求k的取值范围及这三个解的和(用k表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca9b18ab846f3c0e9f2d43411b14206.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66af78df39959ad44d45a78180b4406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f4d924f38e53fb0346c93d24d873a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfe1836fa9a55cc7d7a8b3d0a978336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2babf138586dd7b8c246074a321cee17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00879cffccc124857ca755a8c345e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd9cadcbc109026959badc27568edf6.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595f3e50fa0d95d0ea4e3f7bcbcf1086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecca8bacf273f34ac4b7ddedd4cc04cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f24749ede53ce3c383db6d4f3e7365.png)
您最近一年使用:0次
5 . 设M,N是两个非空集合,定义集合M,N的差集为
且
.
(1)已知
,
,若
,求实数
的取值范围;
(2)若
,
是两个非空集合,求
;
(3)若
,
关于
的方程
的解是负数
,再定义
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafea5db33fe3f32236ccfec05310067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d76e0475967ebd13497107eb97e46c.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a6fc16e8543dc1f3411525cd943ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b474fa3689d03af6d5b43b97e60376e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d64270a0a30261a193b16604f5f311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](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/7474df966fe3085468537375a15f48e6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc2bc57b56ae5ff339fe728a85d1aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51734bfd04eaf1b673decc4e424acd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4317304c9199cb76e47df8b7800147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b7e0559693014e51d720ec671abe56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5231cb0bfedf2f963c1830adfd74aa.png)
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2021·上海浦东新·三模
名校
6 . 某工厂承接制作各种弯管的业务,其中一类弯管由两节圆管组成,且两节圆管是形状、大小均相同的斜截圆柱,其尺寸如图1所示(单位:
),其中斜截面与底面所成的角为
,将其中一个斜截圆柱的侧面沿
剪开并摊平,可以证明由截口展开而成的曲线
是函数
的图像,其中
,
,如图2所示.
![](https://img.xkw.com/dksih/QBM/2021/5/20/2725319832076288/2730995936878592/STEM/306e80d3-1869-484b-b0c3-2bec5b669829.png?resizew=228)
![](https://img.xkw.com/dksih/QBM/2021/5/20/2725319832076288/2730995936878592/STEM/6a824180-fff5-4dc0-822f-7fb64b201efd.png?resizew=240)
(1)若
,求
的解析式;
(2)已知函数
的图像与x轴围成区域的面积可由公式
计算,若制作该种该类弯管的一截圆管所用材料面积(即斜截圆柱的侧面积)等于与之底面相同且高为
的圆柱的面积,求
的值(结果精确到
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e58750ec6571eaa9f2ac3ca6f0a6ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a63412a8e10dca8d002978e17c45a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://img.xkw.com/dksih/QBM/2021/5/20/2725319832076288/2730995936878592/STEM/306e80d3-1869-484b-b0c3-2bec5b669829.png?resizew=228)
![](https://img.xkw.com/dksih/QBM/2021/5/20/2725319832076288/2730995936878592/STEM/6a824180-fff5-4dc0-822f-7fb64b201efd.png?resizew=240)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e2e859e649b43a21b623f63472122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58a22ac4aca667f4363d3526feb8f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18703d241f6fe0a0dedcc815603322fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1008a3fc217ce647e16fa09e42ceadb1.png)
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