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(2006•凉山州)已知函数y=ax2+bx+c的图象如左下图所示,则函数y=a...
(2006•凉山州)已知函数y=ax
2+bx+c的图象如左下图所示,则函数y=ax+b的图象可能是右下图中的( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751825272/SYS201310191102517518252004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751825272/SYS201310191102517518252004_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751825272/SYS201310191102517518252004_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751825272/SYS201310191102517518252004_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751825272/SYS201310191102517518252004_ST/images4.png)
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