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学习目标1.知道一次函数的图象是一条直线2.会选取两个适当的点画一次函数的图象3.正确理解正比例函数与一次函数图象的关系
Learning Objectives 1. Know that the image of a linear function is a straight line 2. It will take two appropriate points to draw the image of a function 3. Correctly understand the relationship between a positive proportional function and a function image