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函数是中学数学重要的基础知识,也是初高等数学的一个衔接点,应用十分广泛。函数的思想方法贯穿于整个高中数学,对解决各种数学问题和实际应用题具有重要作用,在历年的高考试题中函数的内容都保持较高的比例,并且屡屡出现(几乎每年都有)一些立意新颖、综合性强、难度较大的题目。下面结合例题谈谈函数问题的解决技巧。一、特殊处理问题的一般性与特殊性在哲学上是对立统一的关系。
The function is an important basic knowledge of middle school mathematics, and it is also a connection point of the higher mathematics. It is widely used. The function’s thinking method runs through the whole high school mathematics, and it plays an important role in solving various mathematic problems and practical application problems. The content of the function in the high test questions of the calendar year has maintained a high proportion and has appeared repeatedly (almost every year). It is a novel, comprehensive, and difficult topic. The following is an example of problem solving techniques. First, the generality and particularity of special treatment issues are philosophically opposite and unity.