if ur given a function f(x) and ur asked to find f^-1(y)....r u supposed 2 solve ur original eqn for y and then take the inverse of that? or isnt that just the same thing neways?....
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Originally posted by HallsofIvy
Since x= 3y- 4, 3y= x+ 4 and y= f-1(x)= (x+4)/3.