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设函数f(x)=ax2+bx+c(a,b,c∈R),若x=-1为函数y=f(x)...
设函数f(x)=ax
2+bx+c(a,b,c∈R),若x=-1为函数y=f(x)e
x的一个极值点,则下列图象不可能为y=f(x)的图象是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101329392215770/SYS201311031013293922157011_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101329392215770/SYS201311031013293922157011_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101329392215770/SYS201311031013293922157011_ST/images2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101329392215770/SYS201311031013293922157011_ST/images3.png)
考点分析:
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