如图,菱形ABCD的对角线AC,BD相交于点O,AC=6,BD=8,动点P从点B出发

如图,菱形ABCD的对角线ACBD相交于点OAC=6BD=8,动点P从点B出发,沿着BAD在菱形ABCD的边上运动,运动到点D停止,点P′是点P关于BD的对称点,PP′BD于点M,若BM=xOPP′的面积为y,则yx之间的函数图象大致为(  )

A    B    C    D

 

答案

D

 

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