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初中数学中变量与函数概念的引入,标志着数学由常量数学向变量数学的迈进,尽管初中函数内容只是讲述了函数的一些最基本、最初步的知识,但是其中蕴含的数学思想和方法,对培养学生观察问题、研究问题和解决问题的能力都是十分有益的。不仅如此,函数概念还是高中代数的核心部分,学好初中函数的有关知识,可以为研究高中数学中的各种初等函数奠定一定的基础。所以说,初中函数概念的基础性作用是显而易见的。那么,如何正
The introduction of the concepts of variables and functions in junior middle school mathematics indicates that mathematics moves forward from constant mathematics to variable mathematics. Although the content of junior high school functions only describes some basic and initial knowledge of the function, the mathematical ideas and methods contained in it Training students to observe problems, research problems and problem-solving skills are very useful. Not only that, the concept of function is still the core part of high school algebra. Learning good knowledge of junior high school functions can lay a solid foundation for the study of various elementary functions in high school mathematics. So, the basic role of the junior high school function concept is obvious. So what is it?