名校
1 . 已知实数
,
,
满足
,则
的最大值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f9223bc24df8d429d743692fff7c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115947eee223f9659c25338236b55c90.png)
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名校
解题方法
2 . 一般地,若函数
的定义域为
,值域为
,则称
为函数
的“
倍伴随区间”,另函数
的定义域为
,值域也为
,则称
为
的“伴随区间”,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62e0a7ec931569bcc9c911f2c249d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.若![]() ![]() ![]() |
B.函数![]() |
C.若函数![]() ![]() |
D.二次函数![]() |
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2024-03-25更新
|
323次组卷
|
2卷引用:湖北省新高考联考协作体2023-2024学年高一下学期2月收心考试数学试卷
名校
解题方法
3 . 已知椭圆
的右顶点为A,左焦点为F,椭圆W上的点到F的最大距离是短半轴长的
倍,且椭圆W过点
.记坐标原点为O,圆E过O、A两点且与直线
相交于两个不同的点P,Q(P,Q在第一象限,且P在Q的上方),
,直线
与椭圆W相交于另一个点B.
(1)求椭圆W的方程;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014b99f5c93a4ce8cd6251c12c1d1b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3306c91876abdcf71ac138b4077a9aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
(1)求椭圆W的方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcde52c2e252ca18148cbb9e48d213e4.png)
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2024-03-24更新
|
707次组卷
|
5卷引用:山东省菏泽第一中学八一路校区2024届高三下学期开学考试数学试题
4 . 已知是定义域为
的偶函数,且在
上单调递减,
,则( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知椭圆
,与x轴不重合的直线l经过左焦点
,且与椭圆G相交于
两点,弦
的中点为M,直线
与椭圆G相交于
两点.
(1)若直线l的斜率为1,求直线
的斜率;
(2)是否存在直线l,使得
成立?若存在,求出直线l的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9bf239ca3358337211814792ecd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
(1)若直线l的斜率为1,求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
(2)是否存在直线l,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92ccbdaac73bf6724b0f85852a09e30.png)
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6 . 对三次函数,如果其存在三个实根
,则有
.称为三次方程根与系数关系.
(1)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65abf75c103f74720b2be7190eab3443.png)
(2)对三次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19951f3364fb04433feed743bc37975d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427ce68306450bb73af5e71b32531ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944ede342597c070831052dc06bca45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6517ec3e0be52d6c6fe87d945d86a2c0.png)
(3)称
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a454d302bbc647eb47fc7c95efc9c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4225be6a8f18e980e0d55e2f469861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b507ca2539b60489ddbd6137323b1812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20948d4feaf61728d84bb7695a598a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d97b51756740950b8a9304755b4224.png)
(i)证明:在
上存在两个极值点的充要条件是
;
(ii)求点组成的点集,满足
是
上的广义正弦函数.
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名校
7 . 整数列,
,
,对
有
,
为固定正整数,求使
成立时,
的值为
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8 . 已知函数
.
(1)求
的定义域;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70692e8b68b270c3e84cc9ee921df952.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c78962a5837eade3bd226f68a589c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知定义在实数集R上的函数,其导函数为
,且满足
,
,则( )
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2024-03-21更新
|
1162次组卷
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2卷引用:重庆市西南大学附中、重庆育才中学、万州中学拔尖强基联盟2024届高三下学期二月联合考试数学试题
解题方法
10 . 如图,在平面直角坐标系中,存在以原点
为圆心的单位圆,过点
作该单位圆的两条切线,切点分别为
,切线长
、角
随
变化的函数分别为
,定义
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/b165254f-0bf6-49eb-936d-c1e5d8207fe1.png?resizew=180)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
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