1 . 曲线
在
处的切线方程为
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892418416640/1572892423897088/STEM/0e72368d198644b79d7b22c00bb535af.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572892418416640/1572892423897088/STEM/e72f7026c66d42c982db9e3dbc5cefce.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知函数
,其中常数
.
(1)当
时,求函数
的极大值;
(2)当
时,曲线
上总存在相异两点
,
,使得曲线
在点
处的切线互相平行,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/af395dd4744d408380435274eb95e574.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/c865d1e29d3a4c01bc82fa62216bd471.png)
(1)当
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/d8829bb31d3041b4baba4a6b96329fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/711e345110244e849a0958c94474534b.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/14e1f83c17bc478caa910b3f6e6b6880.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/3a926cba7be84e1a81e6930dcd92ce7c.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/b04a1ef921b04e28a76db9df579873f5.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/14e1f83c17bc478caa910b3f6e6b6880.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/8a62430f49ba4d0d8d290e1655f7705c.png)
![](https://img.xkw.com/dksih/QBM/2015/7/3/1572163624280064/1572163630186496/STEM/4523baf08ae840d281588a9299030111.png)
您最近一年使用:0次
名校
3 . 已知函数
的图像为曲线
,若曲线
存在与直线
垂直的切线,则实数
的取值范围为__________ .
![](https://img.xkw.com/dksih/QBM/2015/4/2/1572062127513600/1572062133288960/STEM/38c81f84c32b4cf9a8c3784bd7dc17a5.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2015/4/2/1572062127513600/1572062133288960/STEM/e132e30c4dd1423e8629da949576dec9.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/4/2/1572062127513600/1572062133288960/STEM/bb3afd2eefdd400f85697dfd837d07ce.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/4/2/1572062127513600/1572062133288960/STEM/4d17de689531447eaf1d8d7609a9aabc.png?resizew=44)
![](https://img.xkw.com/dksih/QBM/2015/4/2/1572062127513600/1572062133288960/STEM/bcfea767595247b693a543eda756886c.png?resizew=17)
您最近一年使用:0次
2016-12-03更新
|
396次组卷
|
3卷引用:2014-2015学年云南省玉溪第一中学高二4月月考文科数学试卷
13-14高二下·云南玉溪·期末
4 . 若函数
满足
,且
时,
,函数
,则函数
在区间
内的零点的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd77684f5c0e2896f071cc11106fb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec256776eafedcec7ce084c5f7b1190c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff65953311c700ffe160fb0d8a1afc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefedd843057e8617fdaaaf053c58c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764a78adf3ce33b68ea5b4777f144517.png)
A.8 | B.9 | C.10 | D.13 |
您最近一年使用:0次
13-14高二下·云南玉溪·阶段练习
5 . 已知函数
,
.
(1)求函数
的极值;(2)若
恒成立,求实数
的值;
(3)设![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/cd72d25bf6a848b48b08716942d27d15.png)
有两个极值点
、
(![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/7c54cd76f58b4f1dbba044da03106628.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/f18410c7a8fb4b38af99844f48fbb901.png)
),求实数
的取值范围,并证明
.
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/1745eb7b1171499887d213a15ef2f8d2.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/f44588e383f14d9abfed66055f963870.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d15b20b87d6b5c31b608527603230f.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/965c501628cf4c269397c6d38c2812d9.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/73df1e9a64aa472ab45e57c059b5a4e3.png)
(3)设
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/cd72d25bf6a848b48b08716942d27d15.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/2eada4a83cf740518347a2926424fcd3.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/7c54cd76f58b4f1dbba044da03106628.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/092a190f0f93419fa370b40ff5939b82.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/7c54cd76f58b4f1dbba044da03106628.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/f18410c7a8fb4b38af99844f48fbb901.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/092a190f0f93419fa370b40ff5939b82.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/f8c9144c924e40a78236636172b340a4.png)
![](https://img.xkw.com/dksih/QBM/2014/7/3/1571810761211904/1571810767183872/STEM/2f76df0012d44efca99edeb8957aea91.png)
您最近一年使用:0次
12-13高二下·云南玉溪·期末
6 . 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.![]() |
您最近一年使用:0次
7 . 已知函数
.
(1)若
,求函数
的极值;
(2)是否存在实数
使得函数
在区间
上有两个零点,若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9371e3dc37149fadea503b9549371ed.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10-11高二下·云南玉溪·期末
8 . 已知函数
.
(Ⅰ)求证:函数
在
上单调递增;
(Ⅱ)对
,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49fcaa1129e64bac354185966e57344c.png)
(Ⅰ)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(Ⅱ)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e81ccd02ea3395803e92a1c8615e0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab0e5aca7446296185594905382268c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次