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求函数f(x)周期的几种常见方法邓光发(四川开江普安中学636251)函数的周期性是函数的一个重要性质.对一般函数f(x)的周期,不少中学生往往不知从何入手去求.为了加深对函数f(x)周期概念的理解,本文以实例来说明求函数f(x)周期的几种常见方法,...
Several common methods for finding the periodicity of functions f(x) Deng Guangfa (Sichuan Kaijiang Pu’an Middle School 636251) The periodicity of functions is an important property of the function. For the period of the general function f(x), many middle school students often do not know where to start. In order to deepen the understanding of the concept of the function f(x) cycle, this article uses examples to illustrate several common ways to find the function f(x) cycle,...