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已知全集U=R,若函数f(x)=x2-3x+2,集合M={x|f(x)≤0},N...
已知全集U=R,若函数f(x)=x
2-3x+2,集合M={x|f(x)≤0},N={x|f′(x)<0},则M∩C
UN=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231338008120585/SYS201311012313380081205002_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231338008120585/SYS201311012313380081205002_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231338008120585/SYS201311012313380081205002_ST/2.png)
D.
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