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如图,点P是以O为圆心,AB为直径的半圆上的动点,AB=2.设弦AP的长为x,△...
如图,点P是以O为圆心,AB为直径的半圆上的动点,AB=2.设弦AP的长为x,△APO的面积为y,则下列图象中,能表示y与x的函数关系的图象大致是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193500324015110/SYS201311011935003240151007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193500324015110/SYS201311011935003240151007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193500324015110/SYS201311011935003240151007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193500324015110/SYS201311011935003240151007_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193500324015110/SYS201311011935003240151007_ST/images4.png)
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