满分5 >
高中数学试题 >
定义在R上的偶函数f(x)满足f(x)=f(x+2),当x∈[3,4]时,f(x...
定义在R上的偶函数f(x)满足f(x)=f(x+2),当x∈[3,4]时,f(x)=x-2,则( )
A.f(sin
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/0.png)
)<f(cos
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/1.png)
)
B.f(sin
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/2.png)
)>f(cos
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/3.png)
)
C.f(sin1)<f(cos1)
D.f(sin
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/4.png)
)>f(cos
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834008_ST/5.png)
)
考点分析:
相关试题推荐
设f(x)=|2-x
2|,若0<a<b,且f(a)=f(b),则ab的取值范围是( )
A.(0,2)
B.(0,2]
C.(0,4]
D.(0,4)
查看答案
函数f(x)的定义域为R,若f(x+1)与f(x-1)都是奇函数,则( )
A.f(x)是偶函数
B.f(x)是奇函数
C.f(x)=f(x+2)
D.f(x+3)是奇函数
查看答案
已知向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/0.png)
、
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/1.png)
满足|
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/2.png)
|=1,|
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/3.png)
|=2,|2
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/4.png)
+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/5.png)
|=2,则向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/6.png)
在向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/7.png)
方向上的投影是( )
A.-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/8.png)
B.-1
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834005_ST/9.png)
D.1
查看答案
函数f(x)=Asinωx(A>0,ω>0)的部分图象如图所示,则f(1)+f(2)+f(3)+…+f(2010)的值为( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834004_ST/images0.png)
A.2
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834004_ST/0.png)
C.2-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834004_ST/1.png)
D.2
查看答案
下列函数既是奇函数,又在区间[-1,1]上单调递减的是( )
A.f(x)=sin
B.f(x)=-|x+1|
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101225209480983476/SYS201311012252094809834003_ST/0.png)
D.
查看答案