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# Functions

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Senior Manager
Joined: 25 Jun 2009
Posts: 291

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10 Dec 2009, 17:11
If function f(x) satisfies f(x) = f(x^2) for all x , which of the following must be true?

(C) 2008 GMAT Club - [t]m25#22

* f(4) = f(2)f(2)

* f(16) - f(-2) = 0

* f(-2) + f(4) = 0

* f(3) = 3f(3)

* f(0) = 0

Can someone help me with this question? Im having trouble understanding the explanation.
CIO
Joined: 02 Oct 2007
Posts: 1218

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11 Dec 2009, 00:49
Hi,
This question has already been discussed here:
m25-71891.html

If you can't find the discussion you need in the thread above, please use Forum Search or Custom Google Search available at the top of every page.

Please do not create duplicate topics. Thank you for cooperation .
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Re: Functions   [#permalink] 11 Dec 2009, 00:49
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# Functions

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