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View Full Version : Why = (x+ 1) if f(x)= 3x

Tay_Tay13
Feb 1, 2010, 08:31 PM
y = (x + 1) if f(x) = 3x
KISS
Feb 1, 2010, 09:44 PM
Substitute 3x for x

so it becomes 3x+1
mastermagican
Feb 13, 2010, 12:05 PM
3x+1