名校
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcd338d1cb487f2cd14c290c4ff859e.png)
.
(1)若函数
的单调区间;
(2)若当
时,恒有
成立,试确定
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcd338d1cb487f2cd14c290c4ff859e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f23cd30d53687b66f823bc2f01022a3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d987ddf68d3bbce5de533cdea7629a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
的导函数为
.
(1)解不等式:
;
(2)求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3add1912d8d6dff1bab7cc0dd101355f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9747a6549da84473cae74bae57ec7d54.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0134529819961982085fbac97f454a9a.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a2a96a51bf913bf536a1d03481b3f.png)
您最近一年使用:0次
2016-12-13更新
|
1257次组卷
|
3卷引用:2016-2017学年黑吉两省八校高二上期中数学(文)试卷
名校
3 . 已知a<2,函数f(x)=(x2+ax+a)ex.
(1)当a=1时,求f(x)的单调递增区间;
(2)若f(x)的极大值是6e-2,求a的值.
(1)当a=1时,求f(x)的单调递增区间;
(2)若f(x)的极大值是6e-2,求a的值.
您最近一年使用:0次
2016-12-04更新
|
242次组卷
|
3卷引用:黑龙江省大兴安岭呼玛县高级中学2019-2020学年高二上学期第三次月考数学(文)试题
9-10高二下·黑龙江大庆·期末
4 . 已知函数
在
上是增函数,在
上为减函数.
(1)求
的表达式;
(2)若当
时,不等式
恒成立,求实数
的取值范围;
(3)是否存在实数
使得关于
的方程
在区间
上恰好有两个相异的实根,若存在,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea046330f99d9f4f1a9d66764697f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47acdaa7db189fa7b579edbadaf115d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15113583ceb436b9de63c078c5a553a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0812c835d847da489d22806fa2047ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eea6364dd7a27b8d8d29e41cbb91e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365480eb2113f88bc7225c120de00b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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12-13高二上·黑龙江·期末
5 . (1)求函数
的单调区间;
(2)过原点作曲线
的切线,求切点的坐标及斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f672513e92fbbfed44e3ba8dac52684.png)
(2)过原点作曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c236fb686d41d3284583802d271fcb8.png)
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6 . 若存在实常数
和
,使得函数
和
对其公共定义域上的任意实数
都满足:
和
恒成立,则称此直线
为
和
的“隔离直线”,已知函数
,
,
,有下列命题:
①
在
内单调递增;
②
和
之间存在“隔离直线”,且
的最小值为
;
③
和
之间存在“隔离直线”,且
的取值范围是
;·
④
和
之间存在唯一的“隔离直线”
.
其中真命题的个数为____________ (请填所有正确命题的序号)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/f684a91081124afdbfd9ada7729541f9.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/c5336f3dd0be41d688a715d65db36ad5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/450e3715aef748c5b67d5b9cd41fd322.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/3706033d74c242e0a0771ff8decbfa8c.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/8761b75d7d06401f87647f1677ff1be5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/e257d27b010b4efabc1ba112b3d1c6ee.png?resizew=89)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/5e75ba4b7dbc43fbb2cb92af66f9abce.png?resizew=88)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/87c0aba3aca5453297869339373dc9a9.png?resizew=67)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/450e3715aef748c5b67d5b9cd41fd322.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/3706033d74c242e0a0771ff8decbfa8c.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/336f7d45b34c42b18364ac73fcb63024.png?resizew=112)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/0180ca107a3d45579d2fccc7d4a566fa.png?resizew=105)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/9aad6f910df04e07b5ca15fb1c68187a.png?resizew=89)
①
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/d674969f68b24aa2a8e69e1fa5f2fcb4.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/b848095fcbb143eb8a8b14fb6647526d.png?resizew=93)
②
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/0d7e233f8e3249ca97aeb68b78fb5e4b.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/ed5c3e8f8cdc4426b4d566c39ef43dd6.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/c5336f3dd0be41d688a715d65db36ad5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/289c547a23304dfe97daaf2166446904.png?resizew=21)
③
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/0d7e233f8e3249ca97aeb68b78fb5e4b.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/ed5c3e8f8cdc4426b4d566c39ef43dd6.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/f684a91081124afdbfd9ada7729541f9.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/ba9b215129fa4fe48edfaac6cc0a2007.png?resizew=45)
④
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/0d7e233f8e3249ca97aeb68b78fb5e4b.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/35aacfc3401842ad86e6370d83a1a96d.png?resizew=33)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572463263440896/1572463269347328/STEM/879a9f1e766047a983abc12806fc73c4.png?resizew=85)
其中真命题的个数为
您最近一年使用:0次
7 . 已知函数
有两个极值点,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d31c72ff02d72eccbb8d05118a2566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b00fd149ddbaf403e9a5499863a6caa.png)
(1)当
时,求
的单调区间.
(2)若
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b00fd149ddbaf403e9a5499863a6caa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
11-12高三上·黑龙江·期中
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5611056eaa3c1ba77080bd9a17045ef3.png)
(1)当
时,求函数
的单调区间;
(2)若函数
的图像在点
处的切线的倾斜角为
,问:
在什么范围取值时,函数
在区间
上总存在极值?
(3)当
时,设函数
,若对任意地
,
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5611056eaa3c1ba77080bd9a17045ef3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](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/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18507a11438684e4f6836a8e6021c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af101dbbd5cd386d250e04daaba47e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c18002839db56a67890102bb53ca20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
10 . 已知函数
.
(1)讨论
的单调性;
(2)若方程
有唯一的实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d61d1254d5d785fffa00270b9cf38a0.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b841b2482644dfa25db9428166e0760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-12-24更新
|
40次组卷
|
3卷引用:黑龙江省哈尔滨市宾县第一中学2020-2021学年高三上学期第三次月考数学(文)试题