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【考纲要求】(1)了解映射的概念,理解函数的概念.(2)了解函数单调性、奇偶性的概念,掌握判断一些简单函数的单调性、奇偶性的方法.(3)了解反函数的概念及互为反函数的函数图像间的关系,会求一些简单函数的反函数.(4)理解分数指数幂的概念,掌握有理数指数幂的运算性质.掌握指数?
[Syllabus Requirements] (1) Understand the concept of mapping and understand the concept of functions. (2) Understand the concepts of function monotonicity and parity, and master methods for determining the monotonicity and parity of some simple functions. (3) Understanding inverse functions The concept and the relationship between functional images of each other are inverse functions, we will find the inverse function of some simple functions. (4) Understand the concept of fractional exponentiation, grasp the operation properties of exponential power of rational numbers. Master the index?