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Old 07-30-2007   #2
BeyondMyDreams
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1. y= 5x +4 y - 4 = 5x y-4 /5 = x x - 4 /5 = y = f(x)2. y = x^2 + 3 y - 3 = x^2 extract the root from y - 3 = x root x-3 = y = f(x)The other are easy when you know understand the way to solve.
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