满分5 >
高中数学试题 >
已知集合A={1,3,5,7,9},B={0,3,6,9,12},则A∩B= ....
已知集合A={1,3,5,7,9},B={0,3,6,9,12},则A∩B= .
考点分析:
相关试题推荐
已知a>0,则x
满足关于x的方程ax=b的充要条件是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635011_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635011_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635011_ST/2.png)
D.
查看答案
设
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635010_ST/0.png)
是奇函数,则使f(x)<0的x的取值范围是( )
A.(-1,0)
B.(0,1)
C.(-∞,0)
D.(-∞,0)∪(1,+∞)
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635009_ST/images0.png)
设函数f(x)在定义域内可导,y=f(x)的图象如图所示,则导函数y=f′(x)可能( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635009_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635009_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635009_ST/images3.png)
D.
查看答案
二次函数y=ax
2+bx与指数函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635008_ST/0.png)
的图象只可能是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635008_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635008_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635008_ST/images3.png)
D.
查看答案
设奇函数f(x)的定义域为R,最小正周期T=3,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635007_ST/0.png)
,则a的取值范围是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635007_ST/1.png)
B.a<-1
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103095916581663591/SYS201311030959165816635007_ST/2.png)
D.
查看答案