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posted by mychelle on Saturday, November 27, 2010 at 7:33pm.

If f(x)=g(g(x))-g(x) and g(x)=2x-1, find f(3).

g(3) = 5 g(g(3)) = g(5) = 2*5-1 = 9 9-5 = 4

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