1.高考热点和复习建议函数是高中数学乃至整个数学知识体系的核心和基础,其概念、性质及反映出的思想方法贯穿整个高中数学,函数与其他知识的综合问题,一直是历年高考的热点.分析近年的高考试题,函数部分主要有以下热点:1)突出了对基础知识的考查,函数的概念、表示方法、定义域 1. Entrance exam hotspot and review suggestion function is the core and foundation of high school mathematics and the entire mathematical knowledge system, its concept, nature and reflection of ideas and methods throughout the high school math, function and other knowledge synthesis, has been the hot spot in the college entrance examination Analysis of the entrance examination papers in recent years, the function part of the following hot spots: 1) highlighted the basic knowledge of the test, the concept of function, representation, domain definition