1 . 设集合
均为实数集
的子集,记
.
(1)已知
,试用列举法表示
;
(2)设
,当
且
时,曲线
的焦距为
,如果
,
,设
中的所有元素之和为
,求
的值;
(3)在(2)的条件下,对于满足
,且
的任意正整数
,不等式
恒成立, 求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181891d7f4b616b13ced728f4e2528b4.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2aa83c7f3f3744b4bcbf48919b90c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352d9b76dcf639368fa68cae70149802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ba400854be8c167d7c20f11f2186a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eded177e1ed7b4d3b9d011033d79aa1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)在(2)的条件下,对于满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e3cdc4da74a1d01103655fa8311540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875a08b714fe25238bf663de3e190f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5779e9f5131f17cd24176bb6f26795db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
2 . 已知函数
的最小正周期为
,且直线
是其图象的一条对称轴.
(1)求函数
的解析式;
(2)在
中,角
、
、
所对的边分别为
、
、
,且
,
,若
角满足
,求
的取值范围;
(3)将函数
的图象向右平移
个单位,再将所得的图象上每一点的纵坐标不变,横坐标伸长为原来的
倍后所得到的图象对应的函数记作
,已知常数
,
,且函数
在
内恰有
个零点,求常数
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e837e4a21c799dcac2141289a1c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c366dcd7fdd83db8578a19499ffed0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c08bf0a121ade364913ff0d231f0315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff0e2b7a010fe868b8806a711624b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c775442038b695b27ac052e3486c6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faad4a9ecfb6b5f5b1dc3e2f43ad219f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0b396c8cd1754fb25acce89a06d280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151e5633a5d0cc30b254167e3dda5803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2019-08-21更新
|
4565次组卷
|
8卷引用:专题2.2 三角函数【专项训练】-2020-2021学年高一数学下学期期末专项复习(沪教版2020)
(已下线)专题2.2 三角函数【专项训练】-2020-2021学年高一数学下学期期末专项复习(沪教版2020)(已下线)第7章 三角函数(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)上海市控江中学2018-2019学年高一下学期期末数学试题(已下线)上海市华师大二附中2019-2020学年高一下学期期中数学试题(已下线)上海市华东师范大学第二附属中学2019-2020学年高一下学期4月月考数学试题江苏省南京师大附中2019-2020学年高二上学期期初模拟数学试题福建省永春第一中学2020-2021学年高一下学期期中考试数学试题辽宁省大连市大连育明高级中学2022-2023学年高一下学期期中数学试题
名校
3 . 已知
,若
对任意实数
恒成立,则实数
应满足的条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45c89d1cb5a4f758539bdda2e31fa94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e599656e6f3001f51ad11c8e4ff69a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-13更新
|
3436次组卷
|
7卷引用:第7章 三角函数(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)
(已下线)第7章 三角函数(章节压轴题专练)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)上海市七宝中学2016-2017学年高一下学期期中数学试题(已下线)专题4-1 三角函数性质、最值和w小题归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)(已下线)专题07 《三角函数》中的恒成立问题-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)(已下线)第四节 一元二次不等式及其解法 B素养提升卷辽宁省大连市大连育明高级中学2022-2023学年高一下学期期中数学试题辽宁省鞍山市第一中学2023-2024学年高一下学期第三次月考数学试卷
名校
4 . 若函数
的定义域与区间
的交集由
个开区间组成,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30785c6c63ae2f4b7367511ae3d2860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-04更新
|
2004次组卷
|
6卷引用:沪教版(2020) 必修第二册 领航者 期中测试
11-12高三上·上海松江·期中
名校
5 . 设函数
,其中
、
为已知实常数,
.
下列所有正确命题的序号是____________ .
①若
,则
对任意实数
恒成立;
②若
,则函数
为奇函数;
③若
,则函数
为偶函数;
④当
时,若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460c07a6303b94c2efdbe63c1cb2c996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be81760015cf34b0e5cb869580c91306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
下列所有正确命题的序号是
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0037388c0b202acddc092f2c143e3548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502c4ff1cd420b9da4de849e63c307e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db92ae4746a34821d8c5b1cce16486b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5dabbaf770207f1d9b83ca67ac9147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cce53f43e48a21edecc19607e94ace1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2a6c35384d6ebc5e47ffecb16c1d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b38cf5324c3ae9884d2405141f8a4e0.png)
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