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巴人广场中心标志性建筑处有高低不同的各种喷泉,其中一支高度为1米的喷水管最大高度...
巴人广场中心标志性建筑处有高低不同的各种喷泉,其中一支高度为1米的喷水管最大高度为3米,此时喷水水平距离为
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/0.png)
米,在如图所示的坐标系中,这支喷泉的函数关系式是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000335298960798/SYS201311030003352989607007_ST/4.png)
考点分析:
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