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在函数这一章中 ,我们如果能掌握各种常见函数的图象 ,对我们的学习会有很大帮助 .在高考中 ,有关函数图象的考查类型大致有 :一、函数图象的理解与运用 ;二、作出函数图象 ;三、函数图象的灵活应用 .一、函数图象的理解与运用例 1 函数 y =1 -1x-1 的图象是( )解法 1 特
In the chapter of functions, if we can master the images of various common functions, it will be very helpful to our study. In the college entrance examination, the types of examinations related to function images are roughly as follows: 1. Understanding of function images And use; Second, make the function image; Third, the flexible application of the function image. First, the function of image understanding and application Example 1 The function y =1 -1x-1 image is () Solution 1 special