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函数的导函数y=f'(x)的部分图象如图所示:图象与y轴交点,与x轴正半轴的交点...
函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100003398019021/SYS201311031000033980190013_ST/0.png)
的导函数y=f'(x)的部分图象如图所示:图象与y轴交点
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100003398019021/SYS201311031000033980190013_ST/1.png)
,与x轴正半轴的交点为A、C,B为图象的最低点,则函数y=f'(x)在点C处的切线方程为
.
注:(f[g(x)])′=f′[g(x)]•g′(x)
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100003398019021/SYS201311031000033980190013_ST/images2.png)
考点分析:
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