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本练习主要是考查函数概念和性质,相关的考试内容和考试要求有:(1)函数的概念及其表示方法.要求理解函数的概念,掌握函数的表示法尤其是求解析式及图像表示.(2)函数的奇偶性、单调性、周期性、反函数等概念和性质.要求熟练判断或讨论函数的这些性质及熟悉常用方法,并能灵活地运用.(3)熟悉分数指数幂的概念并熟练进行运算,掌握指
This exercise is mainly to examine the concept and nature of the function. The relevant examination content and examination requirements are: (1) the concept of the function and its representation method. The concept of the function is required to be understood, and the representation of the function is grasped especially for the analytical expression and the image representation. (2) Concepts and properties of functions such as parity, monotonicity, periodicity, and inverse function. It is required to skillfully judge or discuss these properties of functions and to be familiar with common methods, and to be able to use them flexibly. (3) Familiarity with the concept of fractional exponentiation And skilled in computing, mastering