SOLUTION: College placement test practice questions with a section on college mathematics. If {{{ f(x)= (3x-1)/2 }}} and {{{ f^-1 }}} is the inverse of f, what is the value of {{{ f^-1(3) }

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Question 879521: College placement test practice questions with a section on college mathematics.
If and is the inverse of f, what is the value of ?

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
y = (3x-1)/2
x = (3y-1)/2, y = (2x+1)/3
= 7/3

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