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函数思想贯穿高中数学课程 ,历来是高考和竞赛考查的重点 ,利用函数思想来解题 ,可以增强学生知识的系统性以及函数与各类知识的相互联系和渗透 .本文将举几例介绍函数思想在非函数题中的渗透和应用 .一、函数思想在方程中的渗透例 1 若方程ｘ2 +(ｍ+2 )ｘ+3 =0的两根均大于 1
The function idea runs through the high school mathematics curriculum, which has always been the focus of the college entrance examination and contest examination. Using function ideas to solve problems can enhance the systematicness of students’ knowledge and the interrelation and infiltration of functions and various types of knowledge. This article will introduce several examples of function ideas. Infiltration and application in non-function problems. First, the function of the penetration of the equation in the equation 1 If the equation x2 + (m +2) x +3 =0 two are greater than 1