名校
1 . 已知函数![](https://img.xkw.com/dksih/QBM/2019/9/27/2300002602369024/2300355475996672/STEM/1ee4aa691b7a4673b153514c8c41a83b.png?resizew=12)
.
(1)求函数
的单调区间;
(2)若函数
的图象在点
处的切线的斜率为1,问:
在什么范围取值时,对于任意的
,函数
在区间
上总存在极值?
![](https://img.xkw.com/dksih/QBM/2019/9/27/2300002602369024/2300355475996672/STEM/1ee4aa691b7a4673b153514c8c41a83b.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f92fdc5c2f9250cbc709efab3ef837c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af2f597ea3f4dcfb89acb19a4ea6355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d4f43bcb6c64f0c5e15c9f36f1a26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18aabb8ceae669d13744989955a47497.png)
您最近一年使用:0次
2019-09-28更新
|
510次组卷
|
4卷引用:河南省南阳市第一中学2020届高三上学期第二次月考数学文试题
名校
解题方法
2 . 设函数
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb4900f12c0a247376b774d470e4fb8.png)
A.不等式![]() ![]() |
B.函数![]() ![]() ![]() |
C.当![]() |
D.若函数![]() ![]() |
您最近一年使用:0次
2023-04-08更新
|
407次组卷
|
2卷引用:河南濮阳市第一高级中学2022-2023学年高二下学期第三次质量检测数学试题
3 . 已知函数
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d086b8cdbb661c710121b7e28cc93cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a173784888adf2946382fa093ba53a.png)
A.![]() ![]() |
B.若![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 在锐角
中,角
的对边分别为
,且满足
,
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8da113a2bbdfdda01ff5425e02d4c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42289c220e9f084ad9c37f607de9b766.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-05-12更新
|
557次组卷
|
2卷引用:河南省郑州外国语学校2023-2024学年高一下学期期中考试数学试题
5 . 如图,小明同学先把一根直尺固定在画板上面,把一块三角板的一条直角边紧靠在直尺边沿,再取一根细绳,它的长度与另一直角边相等,让细绳的一端固定在三角板的顶点A处,另一端固定在画板上点F处,用铅笔尖扣紧绳子(使两段细绳绷直),靠住三角板,然后将三角板沿着直尺上下滑动,这时笔尖在平面上画出了圆锥曲线C的一部分图象.已知细绳长度为3,经测量,当笔尖运动到点P处,此时,
,
.设直尺边沿所在直线为a,以过F垂直于直尺的直线为x轴,以过F垂直于a的垂线段的中垂线为y轴,建立平面直角坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/3280b562-4d23-4d61-98de-88a447bfabe8.jpg?resizew=138)
(1)求曲线C的方程;
(2)斜率为k的直线
过点
,且与曲线C交于不同的两点M,N,已知k的取值范围为
,若
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b885ab7c607be0dbd27c1e57941e81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc603cd2426c2eb1a7f330d768e5d2cb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/3280b562-4d23-4d61-98de-88a447bfabe8.jpg?resizew=138)
(1)求曲线C的方程;
(2)斜率为k的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d307720f68b610bf1a7660f0c46424b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4772c835cbe626040ecc4df30e6f0ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0df31126849d010525cbeee019bae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-12-21更新
|
498次组卷
|
3卷引用:河南省南阳市2023-2024学年高二上学期12月月考数学试题
解题方法
6 . 如图,
分别是等腰梯形
的边
上的动点,
,其中
为定值,
,设
,其中
.
,求出
的表达式;
(2)证明:
的余弦值与
的取值无关;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ced9844fe2e052c70486af0740afa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596d41b6556f383445536d1c534ac182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f07948e9258b482a2164ac871f90f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a18fec3e4a4fbc7b3e0e037ce650023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d91513d2e546a5a0b5fd42379db8df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e72cf7374a65ced433b6fa113ef57d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e2be3e9225c71609248299caa49432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192c2f1059f6e05d44df048f5fdca04b.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db625151987f893816de66b15d9e699.png)
您最近一年使用:0次
7 . 已知双曲线
的右焦点为
,过右焦点
作斜率为正的直线
,直线
交双曲线的右支于
,
两点,分别交两条渐近线于
两点,点
在第一象限,
为原点.
(1)求直线
斜率的取值范围;
(2)设
,
,
的面积分别是
,
,
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbadddf8d6d2a0f0f16c10100795d867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf639890f27a42e1383cc6cfa14117a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbf417026dc57a5e9ce85359188beec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532d9de08698f61d7c010805c61a4ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d678455f156f5de3f6c0cc78adbe6d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b99d522f019832ececfb82fd2bcb87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30654ba32a8ac50a05dc7e34bba72dcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4635ef9bf093c4f65a1dda2d37033e40.png)
您最近一年使用:0次
2022-10-16更新
|
959次组卷
|
6卷引用:河南省鹤壁市高中2022-2023学年高三上学期第三次模拟考试数学理科试题
名校
解题方法
8 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3301989f72bf1407d8c41e4d1ad5fdff.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dbd0040653f91015413f5c5e6d9b73.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cea89b551fb88404f83a6fdebfd33f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知
,设
的解集为
,若
,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5debd2dc4ca4da6d43428df6850d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8239472c9487c38320c28f9e95e29c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e1301dc8dbb7ec6d350939eafcb8e5.png)
您最近一年使用:0次
2023-09-30更新
|
407次组卷
|
4卷引用:河南省TOP二十名校2024届高三上学期调研考试(三)数学试题
河南省TOP二十名校2024届高三上学期调研考试(三)数学试题河南省南阳市六校联考2023-2024学年高三上学期9月月考数学试题安徽省皖中名校联盟2024届高三上学期第四次联考数学试题(已下线)专题09 利用导数研究函数的单调性(九大题型+过关检测专训)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)
名校
解题方法
10 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若方程
只有一个解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4194bed79a863407d9355b1f9c477c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddea382d8bece5514a9cbd6a225667e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881cc36bf316d72c99b079a491661403.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0105b95730592d199e9055a4fc73dbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次