Mathematics
posted by Arturo .
I need help with the following problem:
f(n) = n^2 + 4n is O(n^2)

Mathematics 
Reiny
Are you the same person who asked this question earlier today??
http://www.jiskha.com/display.cgi?id=1207150648 
Mathematics 
Arturo
Perhaps we are in the same class.
 Mathematics  Count Iblis
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