论文部分内容阅读
有关函数识图题是近年来中考的热点之一,它是“数”与“形”的有机结合,旨在考查同学们的观察能力、分析能力和判断能力,的确是一类好题型。现举数例,仅供参考。 1.由形到数 根据所给图象确定函数解析式或字母取值范围。
The question about function recognition is one of the hot topics in recent years. It is an organic combination of “number” and “form”. It is designed to examine the observation ability, analysis ability, and judgment ability of the students. It is indeed a good type of question. A few examples are provided for reference only. 1. From form to number Determine the functional analytical or letter range of the function based on the given image.