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人教版初中数学教科书在“一次函数”一章中,给出了函数的初级概念.这是学习函数知识的起点.本文在此基础上,扩充一些关于函数的知识,希望能帮助同学们进一步认识函数.
函数——描述变量关系的模型
【摘 要】
：
人教版初中数学教科书在“一次函数”一章中,给出了函数的初级概念.这是学习函数知识的起点.本文在此基础上,扩充一些关于函数的知识,希望能帮助同学们进一步认识函数.
【机 构】
：
人民教育出版社
【出 处】
：
中学生数理化（八年级数学）
【发表日期】
：
2021年5期
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