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Thinking on Definition Domain, Break Point and the Continuity of Elemntary Function
Author(s): 
Pages: 65-67
Year: Issue:  2
Journal: JOURNAL OF TIANJIN VOCATIONAL INSTITUTES

Keyword:  或与且常见题型皆有定义皆存在定义区间;
Abstract: 定义域、间断点、或与且等问题是初等函数经常遇到的问题.有的常见题型忽视了函数的定义域,有的教材处理间断点问题比较朦胧,而且间断点的定义、求法,以及间断点是如何分类的,初等函数在定义域内连续的提法不确切等都应当引起关注.
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