1 . 已知向量
,
,定义运算
,同时定义
.
(1)若
,求实数
的取值集合;
(2)已知
,求
;
(3)已知定义域为
的函数
满足
为奇函数,
为偶函数,且
时,
,是否存在实数
,使
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ec6dba44a83ae69146c26a2eec325c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66717aa3e7a771427c1d4433c77a5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4817c9821c3c5268e665a3ebcfe2e9cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153f8261059b286d175e53adb666d0bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e993a236a70e4a094013a28c07079f84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237b1a6f3e6ee0ef92b4aef7bffe58ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5285f8cfbab2baf73267d7649a58ac.png)
(3)已知定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91340ce6d32493c33527a32c2d448896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffde73ff7d3cd5125eb8d8a17a9f01c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994dcf841d356002fcebaed37497013c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de03de9f4bea859252f0158b32acf378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb0b435b3f1a00ee1df0d02384d6e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
2 . 高斯是德国著名数学家,近代数学奠基者之一,享有“数学王子”称号,他和阿基米德、牛顿并列为世界三大数学家,用其名字命名的“高斯函数”为:设
,用
表示不超过
的最大整数,则
称为高斯函数,例如
,
. 已知函数
,函数
,则下列4个命题中,其中正确结论的选项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1dffa925101e9e19720ee7295133d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be209b4634a4169d727f9fac198acce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbc6c3245906550c7641ce0471ac202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c583c96c958b9653dd9b66f7dbd7079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9bcf0effd771e30ab3399d2fcd9fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bed8d403d5e4e232c8ac65ed87af5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259118296ced0cf932f15d08c3feee77.png)
A.函数 ![]() |
B.函数 ![]() ![]() |
C.函数 ![]() ![]() |
D.方程 ![]() |
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3 . 如图,在梯形
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
,且
,点
是以
为圆心,
为半径的圆上的一点,若
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cce18ece2ddcf423b580eae8152ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc782e6767537703e403ed6fb446d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909a4f858f645bfb056687e7c9ba4c76.png)
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4 . 关于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f343fc35103ff57cadcbba331baaefb.png)
A.![]() ![]() |
B.当且仅当![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.当且仅当![]() ![]() ![]() |
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5 . 定义在
上的函数
,已知其在
内只取到一个最大值和一个最小值,且当
时函数取得最大值为2;当
,函数取得最小值为
.
(1)求出此函数的解析式;
(2)是否存在实数
,满足不等式
,若存在求出
的取值范围,若不存在,请说明理由;
(3)若将函数
的图像保持横坐标不变,纵坐标变为原来的
得到函数
,再将函数
的图像向左平移
个单位得到函数
,已知函数
的最大值为10,求满足条件的
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a0d74ba58e18512a8a91ed09beee8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5337869ed30afa95110baf82e9217349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70719196c31ca0bf8612a01b14cb8905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求出此函数的解析式;
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0aaa60c139c55094f2a9fdd1c3f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda96c08c50e3495200bb200175732e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8836160809bee52e0ee3c3cde27334d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe84f65c9c4345ae5ddcdafa89e7273.png)
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2卷引用:江西省瑞昌市第一中学、修水县第一中学2023-2024学年高一下学期第一次月考数学试题
名校
解题方法
6 . 如图,在海岸线
一侧有一休闲游乐场,游乐场的前一部分边界为曲线段
,该曲线段是函数
,
的图象,图象的最高点为
.边界的中间部分为长
千米的直线段
,且
.游乐场的后一部分边界是以
为圆心的一段圆弧
.
的函数表达式;
(2)曲线段
上的入口
距海岸线
最近距离为
千米,现准备从入口
修一条笔直的景观路到
,求景观路
长;
(3)如图,在扇形
区域内建一个平行四边形休闲区
,平行四边形的一边在海岸线
上,一边在半径
上,另外一个顶点
在圆弧
上,且
,用
表示平行四边形休闲区
面积,并求
时
的面积值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c593e0320b4fcdfa502752d4b59ef0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a14a3b731e00eb35cbb39546da1c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b93f55fa19a01c3819b3018735d0abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e729a860cfd19d075a037b497bbfa04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d2e5e5ec3caea31e3928183eebbc2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c44512cb86bcf48c6d21357f45b533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c593e0320b4fcdfa502752d4b59ef0a.png)
(2)曲线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c593e0320b4fcdfa502752d4b59ef0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59faf75f0c95312e556ae905b3ff5b87.png)
(3)如图,在扇形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820567942aa98b2feaaa017fcb7790df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096e74edfb1830dea70feec95859053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c44512cb86bcf48c6d21357f45b533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a9c9f5ba051622f6cadb384315d3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096e74edfb1830dea70feec95859053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff937114137ebad16c7576bf2849b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096e74edfb1830dea70feec95859053.png)
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7 . 函数
的部分图象如图所示.
的解析式;
(2)函数
的图象与直线
恰有三个公共点,记三个公共点的横坐标分别为
且
,求
的值;
(3)函数
,若对于任意
,当
时,都有
成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8958a4b164d0c948463dbe9493f3b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab16c6e761bd1a49431dc260a18aaa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a10c3b431d95bb70bacd0a793d5582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d908c6149c0d8daa19d6e2ceeaa5ed43.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d1a9ae1879a6e0a877f5419816f23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c765386a72600b7cb1edefeebf85178e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7c275478058e1692840b80919cc201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2024-04-02更新
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482次组卷
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2卷引用:江西省南昌市第二中学2023-2024学年高一下学期月考(一)数学试题
解题方法
8 . 定义:对于非常数函数,若
,
,
,则称
是“米函数”.已知函数
是“米函数”,则ω的最小值为
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解题方法
9 . 已知函数
与函数
的部分图象如图所示,图中阴影部分的面积为4.
的定义域;
(2)若
是定义在
上的函数,求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b557e331150cb0a3c918adae5f12010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5ea6b3a1e7f9a0830a7e6806bd474f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228b8b1bde2b19fba3004431bae9b38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4677729da1d685167328accb5001f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a54f358cd67308b3cd4a7f7d204d181.png)
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10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
,若
,
,且
在
上单调,则
的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3731e4fe7dbd8899acb023f8647b71af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a847a2afdc2f6821fa267fe7d9e5c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0685fc7419fc20816e699d910e333c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc08d14fe6bc48674b8c3b2d464fc88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.3 | B.5 | C.7 | D.9 |
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2024-03-03更新
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1395次组卷
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8卷引用:江西省宜春市宜丰中学2023-2024学年高一下学期3月月考数学试题
江西省宜春市宜丰中学2023-2024学年高一下学期3月月考数学试题四川省南充市白塔中学2023-2024学年高一下学期第一次月考(3月)数学试题(已下线)高一 模块3 专题1 第3套 小题进阶提升练 【人教B版】(已下线)高一 模块3 专题1 第1套 小题进阶提升练 【人教B版】(已下线)高一 模块3 专题1 第3套 小题进阶提升练【北师大版】(已下线)高一 模块3 专题1 第1套 小题进阶提升练【北师大版】四川省巴中市普通高中2024届高三“一诊”考试理科数学试题(已下线)第12题 综合利用性质求ω小题小题