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函数是中学数学的重要内容,教材中主要介绍了一些基本初等函数的性质,而事实上,我们所遇到的很多函数都是复合函数,应该如何学习呢?下面就从复合函数的定义开始,一起来研究它的定义域、值域及其它性质.
Functions are an important part of middle school mathematics. The teaching materials mainly introduce the nature of some basic elementary functions. In fact, many of the functions we encounter are compound functions. How should we learn from them? The following is the definition of compound functions. Together to study its domain, value range and other properties.