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Issue:
Thinking on Definition Domain, Break Point and the Continuity of Elemntary Function
Author(s):
TAO Yin-xiu
,
DU Rui-wen
Pages:
65
-
67
Year:
2007
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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