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1、引言函数定义的学习是求解函数最值的基础,为了让学生充分的理解函数的本质,因此函数概念的学习可以从函数的实际背景和函数的定义两方面出发:第一种是通过学习映射,再学习函数的概念;第二种是通过实际例子,体验数与集合之间特殊关系,这就是函数。函数的最值问题涉及到中学数学的各个分支,对培养学生思维的敏捷性具有重要作用。通过对函数最值的探讨,不仅能提高学生的思维,而且也能培养学生的数学知识应用能
1. Introduction Function-defined learning is the basis for solving the most value of a function. In order to allow students to fully understand the essence of a function, the concept of function can be learned from the actual background of the function and the definition of the function. The first is through learning Mapping, and then learn the concept of the function; the second is through the actual example, experience the special relationship between the number and set, this is the function. The problem of the most value of the function relates to each branch of high school mathematics, which plays an important role in cultivating students’ agility in thinking. Through the discussion of the function of the value, not only can improve students ’thinking, but also to develop students’ mathematical knowledge