名校
解题方法
1 . 已知集合
,
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aab0ce652fa3cc30e7f65dbead5e9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df2e5560fce844811ef4c0a16d74a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如果函数
的定义域为
,对于定义域内的任意x,存在实数a使得
成立,则称此函数具有“
性质”.
(1)判断函数
是否具有“
性质”,若具有“
性质”求出所有a的值;若不具有“
性质”,请说明理由.
(2)已知
具有“
性质”,且当
时
,求
在
上的最大值.
(3)设函数
具有“
性质”,且当
时,
.若
与
交点个数为2023个,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80a01118f21516915cb177acc3d1220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f572a9d4d946843a178e90fa5e5800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c2570913b742194ae5cbb698d37d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba630c1ea702753cb6bbc8099aafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dcff07bb0d9e583a534c663ba2477f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
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3 . 如图,有两条相交成
的公路
,
,其交点为
,甲、乙两辆汽车分别在
,
上行驶,起初甲在离
点
的A处,乙在离
点
的
处,后来两车均用
的速度,甲沿
方向,乙沿
方向行驶.
(2)
小时后两车的距离是多少?
(3)何时两车的距离最短?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51ea72e56e0bc3c68621dac8e2d9077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a0328ca156e67a0c8583929c28771b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51ea72e56e0bc3c68621dac8e2d9077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a0328ca156e67a0c8583929c28771b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3fb33e7fb8709bd8d5db686644d50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f971d44effe601c7244f7bcde43b863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f145950862ad3f5f3b1d809af1bb9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4defb9363b4f33b52375d075450c6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb06ac70dca8c91dab93f55cc9e01b48.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)何时两车的距离最短?
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4 . 已知
,
,且
,则
的最小值是______ ;当
取得最小值时,
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6d474e6cd19b54fcc32889975ceb9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af4669c96dd79a2e582f744fc1bc442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af4669c96dd79a2e582f744fc1bc442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a042f7647c4310c80f7ffe144c81c0e.png)
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5 . 如图,在扇形
中,半径
,
,
在半径
上,
在半径
上,
是扇形弧上的动点(不包含端点),则平行四边形
的周长的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3dfcd8aff269dd5aba398816490c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
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2024-05-02更新
|
268次组卷
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5卷引用:广东省梅州市曾宪梓中学2023-2024学年高一下学期期中联考数学试卷
名校
6 . 若定义在A上的函数
和定义在B上的函数
,对任意的
,存在
,使得
(t为常数),则称
与
具有关系
.已知函数
,
.
(1)若函数
,
,判断
与
是否具有关系
,并说明理由;
(2)若函数
,
,且
与
具有关系
,求a的最大值;
(3)若函数
,
,且
与
具有关系
,求m的取值范围.
![](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/2fa273c6bf06db59f93c900e6bf8eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949c0be52082aed7e1fecd109f92aebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fb49e2f9b277ac6d36089e798b729a.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/be8f69402300f6ed932697689212e91c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b25b64c193fd75fa99c8f87962a9332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb2cebdfb388b07c63f9aa50ce57f0b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661100cf9eb53387bd1ffd844e3e6258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.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/6a5d8bc28ee110a9540f383828b7d245.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525dca63f7b392f7571469d1bbd9c1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.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/0127f7421ce1839e335f091d730736af.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a0677b53ef68e17624673a24015b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.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/e41b85f6960a2a4f988e5ddd9ef48d0e.png)
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2024-04-26更新
|
381次组卷
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4卷引用:广东省汕头市潮阳一中明光学校2023-2024学年高一下学期5月月考数学试题
广东省汕头市潮阳一中明光学校2023-2024学年高一下学期5月月考数学试题四川省内江市2023-2024学年高一下学期4月期中联考数学试题(已下线)专题05 高一下期末考前必刷卷03-期末考点大串讲(人教A版2019必修第二册)(已下线)专题08 期末必刷解答题专题训练的7种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)
解题方法
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff66407cd5e6a2e7e2231e8c07c724e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a7e64f73ba3ad4f6167dc43b3773cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 某口罩生产企业,在疫情期间每月生产
万件N95口罩的利润函数为
(单位:万元).
(1)当
时,求企业平均每万件月利润的最大值.
(2)当月产量为多少万件时,企业的月利润最大?请为企业生产经营提一些合理建议.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91198ef667a176d0843b72fc4167f641.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688fc294e74f86d9a7663c23efaad23a.png)
(2)当月产量为多少万件时,企业的月利润最大?请为企业生产经营提一些合理建议.
您最近一年使用:0次
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9 . 如图,在矩形
中,点
在边
上,且
是线段
上一动点.
,求
的值;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0e01b04eae72d16bbef0acdff45958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82061502bd734b35d0d6711c2a38a952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb74ca8fc86ddef279e33f31c1fedda.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdf68101cc9f7290482f24d49bbdff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32bbded6f4d156e3df19adea22ffcb9.png)
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2024-03-23更新
|
905次组卷
|
3卷引用:广东省广州市华南师范大学附属中学2023-2024学年高一下学期期中考试数学试题
名校
10 . 在平面直角坐标系中,已知点
、
,E、F是直线
上的两个动点,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71600d953104e981bd2cd9382108391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496ee3d5cfddef1375c756815119513d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bce28d31b8e9b17167207069dacbb7.png)
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