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如图,正方形的边长为4,P为正方形边上一动点,运动路线是A→D→C→B→A,设P...
如图,正方形的边长为4,P为正方形边上一动点,运动路线是A→D→C→B→A,设P点经过的路程为x,以点A、P、D为顶点的三角形的面积是y.则下列图象能大致反映y与x的函数关系的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193618149953118/SYS201311011936181499531007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193618149953118/SYS201311011936181499531007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193618149953118/SYS201311011936181499531007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193618149953118/SYS201311011936181499531007_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193618149953118/SYS201311011936181499531007_ST/images4.png)
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