名校
1 . 已知
,设函数
,若关于
的不等式
恒成立,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9fc963e0d7583f6691a75b8318cd12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd472273dd70dcd914052457b09e82b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)若
,求证:在区间
内有且仅有一个实数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83ba6c2b77e8985cd5ba45ead3e1f4b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80d792456f58cf9fc8671d215659f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388e58a3387b6f542a839970fb26395f.png)
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3 . 已知抛物线
的焦点为F,过F且倾斜角为
的直线l与抛物线相交于A,B两点,
,过A,B两点分别作抛物线的切线,交于点Q.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c348601813d70ba64ffca73cf2256f3.png)
A.![]() |
B.![]() ![]() |
C.![]() |
D.若![]() ![]() ![]() |
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4 . 已知函数
.
(1)当
时,求证:
;
(2)若
有两个零点,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683b75c1bab8ee6115d8762f414b6d55.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce96c3b049f0b21694662e2a43c10cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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5 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926ffdd8ba558e66974d60763dca8b8e.png)
(1)讨论
的单调性;
(2)若
时,对任意
都有
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd1d4cfdc1c3570c9b669108d00aff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926ffdd8ba558e66974d60763dca8b8e.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd09fb9482124fd35f19b86894648f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7e4dcebd24c843379926de9c0b780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e00d6f03fbc641b45afca7ff035438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)当
时,求
的极值;
(2)设函数
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdff3c578b9563468b2ce8d3c00e3f49.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4445115c80ad3fba471320358dd5a60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118c9c0597d2c72126fbc4cc3927108e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c944c1c2791f64d1f371d43e9a419983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15318d2d6664ecdf81180baf70a0c71.png)
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解题方法
7 . 已知抛物线C:
,直线l经过点
,且与抛物线C交于M,N两点,其中
.
(1)若
,且
,求点M的坐标;
(2)是否存在正数m,使得以MN为直径的圆经过坐标原点O,若存在,请求出正数m,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7a6fd6d651ae341154c2e40928d628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf8416086d21581e86ac5c6626e81f.png)
(2)是否存在正数m,使得以MN为直径的圆经过坐标原点O,若存在,请求出正数m,若不存在,请说明理由.
您最近一年使用:0次
名校
8 . 已知函数
,若函数
有3个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59fbe43e6d950059b39af31e1fe4f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280a33e18b9d6bd1a9438c77cebc5493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-02-21更新
|
1014次组卷
|
3卷引用:江西省南昌市湾里一中等六校2021-2022学年高二上学期期末数学(文)试题
解题方法
9 . 如图1所示,在四边形ABCD中,
,
,
,将△
沿BD折起,使得直线AB与平面BCD所成的角为45°,连接AC,得到如图2所示的三棱锥
.
![](https://img.xkw.com/dksih/QBM/2022/1/23/2900718882832384/2917896414863360/STEM/3e8996372a2d43d485da7bfd6a3c6bc4.png?resizew=258)
(1)证明:平面ABD
平面BCD;
(2)若三棱锥
中,二面角
的大小为60°,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650c6c818df102a83ce5159e3208d01a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b9f4b154a308c3613409cc65486644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://img.xkw.com/dksih/QBM/2022/1/23/2900718882832384/2917896414863360/STEM/3e8996372a2d43d485da7bfd6a3c6bc4.png?resizew=258)
(1)证明:平面ABD
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
(2)若三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ac3005d5ecd6d4cea0ce99a47ef3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
您最近一年使用:0次
名校
10 . 已知直线l与圆
交于A,B两点,点
满足
,若AB的中点为M,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277c5edd8134b666c80644af134bfa49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5db1b48f98ccbad5a9603cf9b61c29d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-02-16更新
|
1882次组卷
|
7卷引用:江西省抚州市2021-2022学年高二上学期期末数学(理)试题
江西省抚州市2021-2022学年高二上学期期末数学(理)试题江西省上高二中2022-2023学年高二上学期11月月考数学试题第二章 平面解析几何之直线和圆的方程(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(人教B版2019)(已下线)高二上学期第一次月考试题(范围:第一章 空间向量与立体几何、第二章 直线和圆的方程)-【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选择性必修第一册)(已下线)第12讲 直线与圆压轴题精选(1)(已下线)2.5.1 直线与圆的位置关系(第2课时)(分层作业)(3种题型分类基础练+能力提升练)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)(已下线)第2章 直线和圆的方程单元测试能力卷-2023-2024学年高二上学期数学人教A版(2019)选择性必修第一册