名校
1 . 已知点
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
(1)若
,且
,求x的值
(2)设函数
,求
的单调递增区间.
(3)对于(2)中的函数
,
,
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27149c9ff20937492950f42084caa019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4472fb544c4694e7c8645b295fef95ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c19e5e4dbd992d293858b78ded3867b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b604c6522119e77c1cb16b91532a2c1.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0bbfac77d5987a641088a5ef88d503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)对于(2)中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f39990c086661a89d84af30b4f923f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bfdb5f50c0514b2b7cb83b2c29407b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
名校
解题方法
2 . 对于函数
,
,若存在实数k使得函数
,那么称函数
为
,
的k积函数.
(1)设函数
,
,
,试判断
是否为
,
的k积函数?若是,请求出k的值;若不是,请说明理由;
(2)设函数
(其中
,
,
),且函数
图象的最低点坐标为
,若函数
,
是
,
的1积函数,且对于任意实数
,
恒成立,求实数a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/ca237244f6c3c23cc93a46b18bc0e4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcf249f5d04d995439c262347ec8b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e5399795b66d26836cd4b15b67d84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c9f53354147c82ec29609d8ab1e04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3814f756584d8016996add99998feec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.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/f58427d5aa7deeca47c8789241913f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8ada0783e66601b263cdb21149e33f.png)
您最近一年使用:0次
2023-05-03更新
|
216次组卷
|
2卷引用:湖南省多校2022-2023学年高一下学期期中联考数学试题
解题方法
3 . 三国时期的数学家刘徽在对《九章算数》作注时,给出了“割圆术”求圆周率的方法;魏晋南北朝时期,祖冲之利用割圆术求出圆周率
约为
,这一数值与
的误差小于八亿分之一.现已知
的近似值还可表示为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56d7db04f622cd478559746da307ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84eb521aa8654e6d83de45b3ad376fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d26510aa2fef5aea54feb3a6124aa0.png)
A.![]() | B.![]() | C.8 | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 为了响应国家改善民生、给老百姓创造更好的生活环境的号召,某地的南湖公园准备再建一个花坛,种植花卉以供老百姓观赏.花坛的设计图如图所示,
与
的长均为20米,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/1/563f2c9f-0f7a-489c-94c2-04e7a5cf768e.png?resizew=114)
(1)如果
,求
的长;
(2)新建花坛的周长的最大值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fe532cad7a1f9279d58874aa4def00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/1/563f2c9f-0f7a-489c-94c2-04e7a5cf768e.png?resizew=114)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9418a0201ca145425b74d42b7ef091a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)新建花坛的周长的最大值是多少?
您最近一年使用:0次
2023-04-26更新
|
433次组卷
|
4卷引用:河南省创新发展联盟2022-2023学年高一下学期第二次联考数学试题
5 . 函数
与函数
的图象关于点
对称,记
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca96e340b1b7692256029b79a84956d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ecd99ecc761ae5bde5b9712833a9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
解题方法
6 . 下列选项中哪些是正确的( )
A.在任意三角形中![]() |
B.在![]() ![]() ![]() ![]() ![]() |
C.已知向量![]() ![]() ![]() ![]() |
D.![]() |
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解题方法
7 . 现某公园内有一个半径为
米扇形空地
,且
,公园管理部门为了优化公园功能,决定在此空地上建一个矩形
的老年活动场所,如下图所示有两种情况可供选择.
,请用
表示矩形
的面积,并求面积最大值
(2)如果选择图二,求矩形
的面积最大值,并说明选择哪种方案更优(面积最大)(参考数据
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0f4a227754facf7d5aee67d230c0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35c1c9614a2d23b564c116da64224ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
(2)如果选择图二,求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52881be613aa404e553da30d8987cfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bb3f35e3db7c1f3a3dd3eb20151b5f.png)
您最近一年使用:0次
名校
解题方法
8 . 如图所示,已知圆
是
的外接圆,圆
的直径
.设
,
,
,在下面给出条件中选一个条件解答后面的问题,
①
;
②
;
③
的面积为
.选择条件______.
的值;
(2)求
的周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c884a45b56bc34d79273b067c1520b2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578a6f83e17736b307a1448fff8c1fec.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1580f9a95ca55e8aec58b7b9592ccc0a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2399f71125b424fd17c5da2ae796e5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
您最近一年使用:0次
2023-04-14更新
|
1423次组卷
|
5卷引用:重庆市2023届高三模拟调研(六)数学试题
重庆市2023届高三模拟调研(六)数学试题(已下线)模块六 专题8 易错题目重组卷(重庆卷) 福建省厦门双十中学2022-2023学年高一下学期第二次月考数学试题(已下线)微专题02 解三角形最值、范围与图形题型归类福建省福州第八中学2023-2024学年高一下学期期中考试数学试卷
9 . 已知向量
,
,
,下列命题成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d465ada275e217241c0dba5f18f00f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5ec7cf66322ded24dc14e87ea387b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa695588ffd9e7b3ed97761ff8e19bf.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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2023-04-13更新
|
818次组卷
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4卷引用:河北省唐山市2023届高三二模数学试题
名校
10 . 下列说法中,其中正确的是( )
A.命题:“![]() ![]() |
B.化简![]() |
C.![]() ![]() |
D.在三棱锥![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-04-05更新
|
1608次组卷
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3卷引用:江苏省南京师范大学附属中学2022-2023学年高三一模适应性考试数学试题