12-13高二下·云南玉溪·期末
1 . 已知二次函数
的导数
,且
的值域为
,则
的最小值为
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571516538667008/1571516544180224/STEM/1b9fd8ffa2254d0cb964603947191c90.png)
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571516538667008/1571516544180224/STEM/d4e03f2512c340c696d451781923946f.png)
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571516538667008/1571516544180224/STEM/299495a403034621abb690a7eef25c50.png)
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571516538667008/1571516544180224/STEM/1b111a0e0caa4883a00321033ea0de0b.png)
![](https://img.xkw.com/dksih/QBM/2014/2/20/1571516538667008/1571516544180224/STEM/ddd9fa00c5f64f06ad8c70f196fa981c.png)
A.3 | B.![]() | C.2 | D.![]() |
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13-14高三上·山西临汾·期中
2 . 已知偶函数
满足:当
时,
,当
时,
.
(1)求当
时,
的表达式;
(2)试讨论:当实数
满足什么条件时,函数
有4个零点,且这4个零点从小到大依次构成等差数列.
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/54de3679e22b4c79aa394121b34be7b2.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/69f2768994354107974650292f59edca.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/f465835ddd4f47028c167e087b8fb7c2.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/c8fbe6df872746a6a67671d589298b0f.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/2b2da44b8ab34ea68d15d320569cee23.png)
(1)求当
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/d19232e8e5ce450f927a3b9822827ecf.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/b6f2c01246284dcb8eebc7d25b39ba72.png)
(2)试讨论:当实数
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/f61f1f497a5c4c93a2d63d2a8009787a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/10/1571472845512704/1571472851025920/STEM/2035826045ff4483a7222f39e7d4eb35.png)
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2010·安徽安庆·三模
名校
解题方法
3 . 在
上可导的函数
,当
时取得极大值,当
时取得极小值,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7c7e305d9d1b1a9541b7f66c38b84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce31ad73a97905f4cfe47461eafca8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f8e5e369acbde4a07aeb014882da4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51004bf05af62549fb6072c536698e3c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-11-30更新
|
1794次组卷
|
7卷引用:山西省太原市实验中学校2019-2020学年高二下学期期中数学(理)试题
山西省太原市实验中学校2019-2020学年高二下学期期中数学(理)试题(已下线)2012-2013学年山东省临沭县高二期中质量检测理科数学试卷(已下线)2010年安徽省安庆一中高三第三次模拟考试数学(理)试题内蒙古鄂尔多斯市第一中学2018-2019学年高二下学期第一次月考数学(理)试题(已下线)考点17 利用导数研究函数的极值与最值(考点专练)-备战2021年新高考数学一轮复习考点微专题广西南宁三中2019-2020学年下学期高二期末考试(重点班)理科数学试题(已下线)专题3.4 导数在实际生活中的应用-2020-2021学年高二数学课时同步练(苏教版选修1-1)
2011·河北唐山·一模
名校
4 . 已知椭圆
:
的离心率
,左、右焦点分别为
,
,点
满足:
在线段
的中垂线上.
![](https://img.xkw.com/dksih/QBM/2017/4/30/1676775089872896/1678625474207744/STEM/c7e83c812dd4423489255bc9a65973f0.png?resizew=189)
(Ⅰ)求椭圆
的方程;
(Ⅱ)若斜率为
(
)的直线
与
轴、椭圆
顺次相交于点
、
、
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.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/db81446766bb8f493d6fc49e65f0d495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://img.xkw.com/dksih/QBM/2017/4/30/1676775089872896/1678625474207744/STEM/c7e83c812dd4423489255bc9a65973f0.png?resizew=189)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0922055132e3c821da64e7b38581690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-05-03更新
|
787次组卷
|
3卷引用:山西省晋城市陵川第一中学2016-2017学年高二下学期期中考试数学(文)试题
山西省晋城市陵川第一中学2016-2017学年高二下学期期中考试数学(文)试题辽宁省大连市第二十四中学2018-2019学年高二上学期期中数学试题(已下线)2011届河北省唐山一中高三高考冲刺热身考试文数
5 . 已知两条直线
,两个平面
,下面四个命题中不正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1c8146d084248c9c65dd8a11801905.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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6 . 已知函数
满足:对任意的
,恒有
,若
,
,则
的大小关系是
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/cc62a4c51e814b6283a39f946550cc58.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/d4d89e1783dd4150977de1dbff087d90.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/59f836c6344d43f6b305c483eef92f62.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/76d38c7d51da4c6184a65a1568533575.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/bd7e8725af2a4f6596b8bf7f0915146e.png)
![](https://img.xkw.com/dksih/QBM/2015/11/26/1572313665830912/1572313671483392/STEM/eab445fbb30b426186f2a1aee9c15065.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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