1 . 已知函数
,
,
,若函数
的所有零点依次记为
,且
,
若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024ae20c7e4202c32f8af3e55bedcaa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4320d335ff4b89ae76aebcad1665715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745b580e4b155ff4f931fbaa7fde55f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8787195c89953c9a25db95c41a4bd9d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0494c6d226729dd902a2940ab7228fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe4aaa53a7a9a582b9c68bc2c06ec28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b14c78bbc6e3142533110098ef498d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9126123e86bfb5eda20aeb025875f099.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知函数
的表达式为
,若方程
有四个不相等的实根
,且
,则
取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664d5a568352ae5c7bb21549055ecd7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e3397839f4b65912c2f0cfe7f05eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd42c34b2f926f4600e8622b961e3c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4077511e2a6cd8caff76581a94b6fe.png)
您最近一年使用:0次
2024-01-15更新
|
219次组卷
|
2卷引用:上海市松江区2023-2024学年高一上学期期末质量监控数学试卷
3 . 高一的珍珍阅读课外书籍时,发现笛卡尔积是代数和图论中一个很重要的课题.对于非空数集A,B,定义
且
,将
称为“A与B的笛卡尔积”
(1)若
,
,求
和
;
(2)试证明:“
”是“
”的充要条件;
(3)若集合
是有限集,将集合
的元素个数记为
.已知
,且存在实数
满足
对任意
恒成立.求
的取值范围,并指明当
取到最值时
和
满足的关系式及
应满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83ae6d18a3a3f1383a2c857ed0054a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf8be42fdd0b30c8a100c4110d434ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f808f81b6ea9da53d51c549be04f4267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1ea7aabd373ab4e84031b84936e70.png)
(2)试证明:“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ec4a0fcae6ea3ad50754038379bf52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98816a922b6dd4704b3f95adc77cb7b.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8996421ea2bdb85b9f29c714d6a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34bcce23cde0e66aa6b2877cb49541d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed82f14b30abdb31af23beb3a6af8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29c06a3e9a73e905eb87d71efa201c.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/223df28e586d0f67cdb8b675cec0a59a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ac94bced60536f5595d1ffecf875ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
4 . 已知
,我们定义函数
表示不小于
的最小整数,例如:
,
.
(1)若
,求实数
的取值范围;
(2)求函数
的值域,并求满足
的实数
的取值范围;
(3)设
,
,若对于任意的
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8970b99038dfdc964e26f41a1949e968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f75630540a77db49408d2c3e3b34be.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a857be85405c5198bff2d92414a9b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec656fc93f73e7fc5971f7024612937c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8e0e2c46e8e898749dc197d7e2e5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10571c75b610d7506b9647cd06ddaf0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e9521c64fdf0f72e6e7a39ab28d07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be083b8f0bbaba3d676ef4a0f3df0222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa12545243d18e3a66f0c277ded319a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-28更新
|
507次组卷
|
3卷引用:上海市松江区华东政法大学附属松江高级中学2022-2023学年高一上学期期末数学试题
名校
解题方法
5 . 关于函数
,给出下列两个结论:
①方程
一定有实数解;
②如果方程
(
为常数)有解,则解的个数一定是偶数.
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4281314a55527d8ba0b5c4f4054a5e0f.png)
①方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92a8dd18dfe40aaf4daa9fb960db970.png)
②如果方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
则( )
A.①正确,②正确 | B.①错误,②错误 |
C.①正确,②错误 | D.①错误,②正确 |
您最近一年使用:0次
2023-09-28更新
|
691次组卷
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5卷引用:上海市松江区华东政法大学附属松江高级中学2022-2023学年高一上学期期末数学试题
上海市松江区华东政法大学附属松江高级中学2022-2023学年高一上学期期末数学试题陕西省西安市第三中学2023-2024学年高一上学期第二次月测评数学学科试题(已下线)专题02函数的概念、性质及应用全章复习攻略-【寒假自学课】(沪教版2020)上海市进才中学2023-2024学年高三上学期期中考试数学试卷(已下线)第13题 含绝对值方程根的个数问题(压轴小题)
6 . 已知函数
.
(1)当
,
时,求函数
的单调增区间;
(2)当
,
时,设
,且函数
的图像关于直线
对称,将函数
的图像向右平移
个单位,得到函数
,求解不等式
;
(3)当
,
,
时,若实数m,n,p使得
对任意实数x恒成立,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117f7de645564f5a28a1e2f3c0a33689.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657435e1fda84118e7f63c97505c8b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9998f27aca8e31ba479b96858b509c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de89467e97506fbd3f79833900c203.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90de59980f26e4456ff705ca6842400b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2ea0a0cae3148268b0e977b27ff824.png)
您最近一年使用:0次
7 . 已知函数
,且
.
(1)求
的值,并求出
的最小正周期(不需要说明理由);
(2)若
,求
的值域;
(3)是否存在正整数
,使得
在区间
内恰有2025个零点,若存在,求由
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14c213a6679507468a079ec9c469253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b089da37a845bb137428f1207eed571.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)是否存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c6c1e0ea3b81713db2f764eba0e251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2023-04-02更新
|
843次组卷
|
4卷引用:上海市松江二中2022-2023学年高一下学期期中数学试题
上海市松江二中2022-2023学年高一下学期期中数学试题上海市复旦大学附属中学青浦分校2022-2023学年高一下学期3月月考数学试题 江西省南昌市新建区第二中学2022-2023学年高一下学期4月份学业水平考核数学试题(已下线)第七章 三角函数(单元重点综合测试)-单元速记·巧练(沪教版2020必修第二册)
8 . 已知函数
在
时有最大值
和最小值
,设
.
(1)求实数
,
的值;
(2)若不等式
在
上恒成立,求实数
的取值范围;
(3)若关于
的方程
有三个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e36b172dbe5b546f7133496a6a5449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a9ee90f86f252dd48868d94f4c564a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f1279d1afe86edd9a61fde66cbec01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e17ea68cdd6b0ad3e27c099ef33ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-29更新
|
574次组卷
|
2卷引用:上海市华东师范大学松江实验高级中学2022-2023学年高一上学期期末数学试题
解题方法
9 . 已知下列五个命题:①若
为减函数,则
为增函数;②若
为增函数,则函数
在其定义域内为减函数;③函数
,
在区间
上都是奇函数,则
在区间
是偶函数;④一条曲线
和直线
的公共点个数是
,则
的值不可能是1;⑤函数
的图像关于直线
对称.其中真命题个数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58070e6887dac5da1e3b0d326f16499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc06c224d29b8e3dfa49a341a30a06c.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/604a187300e47ef2d6b772d1ac5cf4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d19de9707f80fe0f6e6aad2406d31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604a187300e47ef2d6b772d1ac5cf4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62df3cc16ef5d1559bc43ec5b041052f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c34492505db5dbedea8bc2420ab2320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad6b4e7637324d814d7474f54951374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
名校
10 . 若函数f(x)满足:对于任意正数s,t,都有
,
,且
,则称函数f(x)为“L函数”.
(1)试判断函数
是否是“L函数”,并说明理由;
(2)若函数
为“L函数”,求实数a的取值范围;
(3)若函数f(x)为“L函数”,且
,求证:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4028ed0e84791a6da036d71af685b63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afc7ce5b1f3ac621c3bc08b4e243278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dfefdc8541c51ae463de8b36086374.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7c91c7cad8a060981951c082cb9291.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51152b488b3ea76753521a706d732f05.png)
(3)若函数f(x)为“L函数”,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d308166f6bc3d51033cc7a72c71f28a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430beb98ec01049d47803b98979d7175.png)
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