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by El Cucu » Thu Dec 25, 2008 5:55 pm
Hi guys: need help with this + theory explanation + shortcut if possible. Many tks!


For which of the following functions f is f (x)= f (1-x) for all x?

A) f (x)= 1-x
B) f (x)= 1-x^2
C) f (x)= x^2 - (1-x)^2
D) f (x)= x^2 (1-x)^2
E) f (x)= x/ (1-x)

:D
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by ronniecoleman » Thu Dec 25, 2008 11:08 pm
IMO D

I Guess we have no shorts..just plug in the values..to check
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by vittalgmat » Fri Dec 26, 2008 6:37 pm
Also, this question has been asked so many times on this forum.
Pls search and u will find lots of hits.


HT helps
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