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(2010•兰州)二次函数y=ax2+bx+c的图象如图所示,则一次函数y=bx...
(2010•兰州)二次函数y=ax
2+bx+c的图象如图所示,则一次函数y=bx+b
2-4ac与反比例函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/0.png)
在同一坐标系内的图象大致为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/images2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/images3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/images4.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230527557783546/SYS201310212305275577835010_ST/images5.png)
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