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线性绝对值函数是指其图象由若干段直线段组成的函数,这类绝对值函数在近几年高考、高校自主招生考试与数学竞赛中屡见不鲜,考查的形式有求最值、求参数范围、解不等式等等.这些问题灵活多变,综合性较强,要求学生具有深厚的基础知识和灵活运用数学知识、思想方法、解决数学问题的能力,这类问题的解决核心是函数的图象.
The linear absolute value function refers to the function of the image composed of several straight-line segments. Such absolute value functions are commonly found in college entrance examination, college entrance examination and mathematics competition in recent years. The form of examination is seeking the most value, , Inequality, etc. These questions are flexible and comprehensive, and require students to have profound basic knowledge and the ability to use mathematical knowledge and method of thinking to solve mathematical problems. The core of solving such problems is the image of the function .