名校
解题方法
1 . 若“对于任意的实数
,关于
的不等式
在区间
上总有解”是真命题,则实数
的取值范围是______ .
![](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/2ce18675a1b756297f1ed7f6bc2ee3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
2 . 已知函数
在
上为减函数,命题
为假命题,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09579466f29fcf1c1c69f7a172484b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc70cb5bca1e18e0507e7885ecbe4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0466b5c05dbb1304026069b8482abaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-07-12更新
|
799次组卷
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4卷引用:四川省绵阳市2022-2023学年高二下学期期末数学(理)试题
四川省绵阳市2022-2023学年高二下学期期末数学(理)试题(已下线)第四章 三角函数与解三角形 第一节 任意角、弧度制及任意角的三角函数(核心考点集训)广东省阳江市2024届高三上学期开学适应性考试数学试题(已下线)专题05 三角函数4-2024年高一数学寒假作业单元合订本
名校
3 . 已知定义在
上的函数
,对于给定集合
,若
,当
时都有
,则称
是“
封闭”函数.则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ba6d93a671ca21730facc7fbf052c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4f57099600b733e9db7ecaf8b877b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590c4adcd16727c3d0ec27e4f1c77025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() ![]() |
B.定义在![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-03-30更新
|
4752次组卷
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9卷引用:广东省部分学校2023届高三下学期3月模拟数学试题
广东省部分学校2023届高三下学期3月模拟数学试题广东省2023届高考一模数学试题专题03函数的概念与基本初等函数(已下线)数学(新高考Ⅰ卷)(已下线)专题01 集合与常用逻辑用语(已下线)“8+4+4”小题强化训练(21)重庆市万州第二高级中学2023届高三三诊数学试题(已下线)专题02 高一上期中真题精选-期中考点大串讲(人教A版2019必修第一册)(已下线)专题06 函数的概念及其表示压轴题-【常考压轴题】
名校
4 . 已知命题
:不等式
的解集中的整数有且仅有
,0,1.求
的取值范围.命题
:集合
,
且
.
(1)分别求命题
、
为真命题时的实数
的取值范围;当实数
取何值时,命题
、
中有且仅有一个为真命题;
(2)设
、
皆为真时
的取值范围为集合
,
,若全集
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75daf4d8bcca0d920b4945bf520c50f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddaa44a7d657b6e1f517b0534a1e946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e065fa36ff89fd5c96d21ba57991b1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a55fe41eb7bba336698830d4744624.png)
(1)分别求命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c1364973112f34942b109b61f5f048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2976ff829a0f960360098ac5b236c5de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
5 . 给出下列说法:①方程
表示的图形是一个点;②命题“若
,则
或
”为真命题;③已知双曲线
的左右焦点分别为
,
,过右焦点
被双曲线截得的弦长为4的直线有3条;④已知椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
上有两点
,
,若点
是椭圆
上任意一点,且
,直线
,
的斜率分别为
,
,则
为定值
;⑤已知命题“
,
满足
,
”是真命题,则实数
.其中说法正确的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8223571655fb5d3034461f039087c0e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a618d08d71463522c37df3378d358850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31be670d32e753012125c503f2f3be56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be861d83cddb5fc8aa22f7f0f9415d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334e343daae170f14d086661bc5792a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb57bb18755127be041d346444a4743e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c24a774a8856f639d45afd85dd85c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cf480a25bd32adfa59f9f0bb7293b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c9bbbe71a1e6aa806b8a109fb52ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8123b82eb5957f24c35db521504d67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4cdb5ac461cd9c8c54c9cae6a71b47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561800aa679a45da4dbe0e323de1fd59.png)
您最近一年使用:0次
2019-11-21更新
|
657次组卷
|
2卷引用:四川省蓉城名校联盟2019-2020学年高二上学期期中联考数学(理)试题