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设函数f(x)=e
x(sinx-cosx),若0≤x≤2011π,则函数f(x)的各极大值之和为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974011_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974011_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974011_ST/2.png)
D.
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对于任意的实数a、b,记max{a,b}=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974010_ST/0.png)
.若F(x)=max{f(x),g(x)}(x∈R),其中函数y=f(x)(x∈R)是奇函数,且在x=1处取得极小值-2,函数y=g(x) (x∈R)是正比例函数,其图象与x≥0时的函数y=f(x)的图象如图所示,则下列关于函数y=F(x)的说法中,正确的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974010_ST/images1.png)
A.y=F(x)为奇函数
B.y=F(x)有极大值F(-1)
C.y=F(x)的最小值为-2,最大值为2
D.y=F(x)在(-3,0)上为增函数
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若函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974009_ST/0.png)
是R上的单调减函数,则实数a的取值范围是( )
A.(-∞,2)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974009_ST/1.png)
C.(0,2)
D.
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设点O为坐标原点,向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974008_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974008_ST/1.png)
P为x轴上一点,当
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974008_ST/2.png)
最小时,点P的坐标为( )
A.(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974008_ST/3.png)
,0)
B.(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974008_ST/4.png)
,0)
C.(-1,0)
D.(1,0)
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将函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974007_ST/0.png)
的图象向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974007_ST/1.png)
个单位,再向上平移2个单位,则所得图象的函数解析式是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974007_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974007_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100059735897439/SYS201311031000597358974007_ST/4.png)
D.y=cos2
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