a) The interscction of two intervals is an interval. b) The union of two intervals is an interval. c) The complement of an interval can sometimes be an interval.

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterA: Appendix
SectionA.3: Inequalities
Problem 9E
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Determine if the following statements are true or false. If a statement is false, provide a counterex-
ample, and it a statement is true, prove it.
a) The intersection of two intervals is an interval.
b) The union of two intervals is an interval.
c) The complement of an interval can sometimes be an interval.
Transcribed Image Text:Determine if the following statements are true or false. If a statement is false, provide a counterex- ample, and it a statement is true, prove it. a) The intersection of two intervals is an interval. b) The union of two intervals is an interval. c) The complement of an interval can sometimes be an interval.
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