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# Functions

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Senior Manager
Joined: 25 Jun 2009
Posts: 289

Kudos [?]: 227 [0], given: 4

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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.

Kudos [?]: 227 [0], given: 4

CIO
Joined: 02 Oct 2007
Posts: 1216

Kudos [?]: 987 [0], given: 334

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

Please search this thread for the questions that were already discussed:

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.

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Kudos [?]: 987 [0], given: 334

Re: Functions   [#permalink] 11 Dec 2009, 00:49
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# Functions

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