Answers

2016-03-11T02:00:17+05:30
They are used to plot or know any distinguish 
they are important because the tell us lot of things about the the values putted in x and y axis..
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2016-03-11T03:52:33+05:30
Graphs are beneficial because they summarize and display information in a manner that is easy for most people to comprehend. Graphs are used in many academic disciplines, including math, hard sciences and social sciences. They make appearances in corporate settings, serving as useful tools to convey financial information and facilitate data analysis.
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