高中数学代数与函数一其他练习题79
题目内容

对于三次函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413547936.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020413563491.png,给出定义:设 http://picflow.koolearn.com/upload/papers/20140824/20140824020413578466.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413610562.png的导数, http://picflow.koolearn.com/upload/papers/20140824/20140824020413656479.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413578466.png的导数,若方程 http://picflow.koolearn.com/upload/papers/20140824/20140824020413688552.png有实数解 http://picflow.koolearn.com/upload/papers/20140824/20140824020413703324.png,则称点 http://picflow.koolearn.com/upload/papers/20140824/20140824020413735601.png为函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413610562.png的“拐点”。某同学经过探究发现:任何一个一元三次函数都有“拐点”;且该“拐点”也为该函数的对称中心.若 http://picflow.koolearn.com/upload/papers/20140824/20140824020413766965.png,则 http://picflow.koolearn.com/upload/papers/20140824/201408240204137811123.png(    )

2021-07-15

A.1

B.2

C.2013

D.2014

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