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分段函数是指自变量在不同范围内具有不同对应法则的函数,分段函数更容易从不同侧面、不同角度反映函数的性质特征,因而在近几年的高考中经常出现,其常见题型主要有
Segment function refers to a function whose independent variables have different corresponding laws in different ranges. Segment functions more easily reflect the nature characteristics of functions from different sides and different angles. Therefore, they often appear in college entrance examinations in recent years. There are