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三次函数问题是高次函数问题的典型代表,在以能力立意的高考中,频频出现以三次函数为背景的问题。特别是导数内容的引入,为解决三次函数问题提供了一种切实可行的方案。下面例析运用导数知识来研究三次函数问题。
The third-order function problem is a typical representative of the high-order function problem. In the college entrance examination for which the ability is conceived, the problem with the cubic function as the background frequently occurs. In particular, the introduction of derivative content provides a practical solution to solve the problem of cubic functions. The following analysis uses derivative knowledge to study the cubic function problem.