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求函数的值域是研究函数的重要内容,求函数值域的方法涉及中学数学诸多方面的知识和方法。搞好函数值域求法的复习,有助于加深对函数知识的理解,拓宽知识面,提高运用所学知识解决问题的能力。本文从如下六个方面谈谈求函数值域的方法的复习。
Finding the value range of a function is an important part of the study function. The method of finding a function value range involves many aspects of middle school mathematics knowledge and methods. Doing a good review of function-valued approach will help deepen understanding of function knowledge, broaden knowledge, and improve the ability to apply knowledge to solve problems. This article talks about the review of the method of function value range from the following six aspects.