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如图,等边△ABC的边长为4,M为BC上一动点(M不与B、C重合),若EB=1,...
如图,等边△ABC的边长为4,M为BC上一动点(M不与B、C重合),若EB=1,∠EMF=60°,点E在AB边上,点F在AC边上.设BM=x,CF=y,则当点M从点B运动到点C时,y关于x的函数图象是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193857253290354/SYS201311011938572532903013_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193857253290354/SYS201311011938572532903013_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193857253290354/SYS201311011938572532903013_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193857253290354/SYS201311011938572532903013_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193857253290354/SYS201311011938572532903013_ST/images4.png)
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