名校
1 . 已知函数
,
,若对任意的
,存在
,使
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0e203afd9d381b7a96708267576f93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570ee63283174fd04548771d0a97f7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87348f632b0064b0e305133c4e149f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17641d15644d5fb2c79fd1016b21520f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5179771ac52f8254d182154b9cfb2c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-03-17更新
|
768次组卷
|
12卷引用:重庆市忠县三汇中学2019届高三上学期期末(文)数学试题
重庆市忠县三汇中学2019届高三上学期期末(文)数学试题宁夏中卫市中宁县第一中学2022届高三上学期第一次月考数学(理)试题(已下线)专题十 不等式恒成立 一题多变,发散思维(已下线)专题十五 不等式恒成立题(已下线)专题3-7 利用导函数研究双变量问题-2天津市塘沽一中2019-2020学年高二下学期第一次月考数学试题天津市滨海新区塘沽第一中学2020-2021学年高二下学期期中数学试题苏教版(2019) 选修第一册 选填专练 第5章 微专题十三 与导数有关的恒成立问题与存在性问题(已下线)第5章《导数及其应用》 培优测试卷(三)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 甘肃省兰州第一中学2021-2022学年高二下学期4月月考数学(理)试题天津市武清天和城实验中学2022-2023学年高二下学期3月月考数学试题湖北省武汉西藏中学2022-2023学年高二下学期期末数学试题
2 . 复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ef9a89a13ffaccf1c69420e450b82b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知函数
.
(1)若
,求函数
在
处的切线方程;
(2)令
,讨论函数
的单调性;
(3)当
时,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac04e03f168f65b42da7d8daaba03f2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b71b0c86aefb7f7f1f2c87e180504c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
您最近一年使用:0次
解题方法
4 . 如图,已知四棱锥
中,
平面
,底面
是直角梯形,其中
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1cf657792edb2da8c7c896d7320c8d.png)
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/d0eb7844-eaff-4a34-8b05-0982eecf9526.png?resizew=164)
(1)证明:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e45b6f8cf0260912f587c04f9f2442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1cf657792edb2da8c7c896d7320c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c3ee5bbff57b1304cda44c97624536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/d0eb7844-eaff-4a34-8b05-0982eecf9526.png?resizew=164)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c372d059202ec388960b125d4a87dc84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1112ffa328ed486ffc5e4a605eb510e.png)
您最近一年使用:0次
5 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9597dc768baf7b05a079f6fed7ea4d7.png)
(1)解不等式
;
(2)若关于
的不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9597dc768baf7b05a079f6fed7ea4d7.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bf0995f32a13d0a9e423f3e88ab271.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c5e3885289fb8c4f48bb07529ebc7a.png)
您最近一年使用:0次
解题方法
6 . 若实数
满足
成等差数列,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040328863cb2c5b2e54336fde43643fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 为计算
,设计了如图所示的程序框图,若执行该程序,则输出S的值为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/3616f27a-ffda-434f-b837-380b317486c4.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71543ffb4d51d98ec07d7daa62e9833b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/3616f27a-ffda-434f-b837-380b317486c4.png?resizew=158)
A.2 | B.-2 | C.-3 | D.3 |
您最近一年使用:0次
2020-02-20更新
|
115次组卷
|
2卷引用:重庆市忠县三汇中学2019届高三上学期期末(文)数学试题
解题方法
8 . 已知斜率为2的直线
与双曲线
的左、右两支分别交于
两点,且
、
,都垂直于
轴(其中
、
分别为双曲线
的左、右焦点),则该双曲线的离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a12a030f853a383a50fd889486c9f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 抛物线
的焦点为坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1183df9f26985febdc844cda75ed4c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 函数
与函数
图象的交点个数有____________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe0a927f7a8543797e507cbc88c00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03eeae20a3584d639774cee8ba597ef.png)
您最近一年使用:0次