满分5 >
高中数学试题 >
如图,函数y=Asin(ωx+φ)(A>0,0<φ<π)的图象经过点(-,0)、...
如图,函数y=Asin(ωx+φ)(A>0,0<φ<π)的图象经过点(-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/0.png)
,0)、
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/1.png)
,且该函数的最大值为2,最小值为-2,则该函数的解析式为( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/images2.png)
A.y=2sin(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/2.png)
+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/3.png)
)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/4.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/5.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402008_ST/6.png)
考点分析:
相关试题推荐
在△ABC中,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/1.png)
.若点D满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/2.png)
,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/3.png)
=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/4.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/5.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402007_ST/6.png)
D.
查看答案
下列说法中正确的是( )
A.数据5,4,4,3,5,2的众数是4
B.一组数据的标准差是这组数据的方差的平方
C.数据2,3,4,5的标准差是数据4,6,8,10的标准差的一半
D.频率分布直方图中各小长方形的面积等于相应各组的频数
查看答案
已知x与y之间的一组数据:
则x与y的线性回归方程为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402005_ST/0.png)
必过点( )
A.(1,2)
B.(1.5,4)
C.(2,2)
D.(1.5,0)
查看答案
函数f(x)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402004_ST/0.png)
的最小正周期是( )
A.2π
B.π
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402004_ST/1.png)
D.4π
查看答案
已知四边形ABCD的三个顶点A(0,2),B(-1,-2),C(3,1),且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402003_ST/0.png)
,则顶点D的坐标为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402003_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225804635240233/SYS201311012258046352402003_ST/2.png)
C.(3,2)
D.(1,3)
查看答案