Question 147152
{{{y=3x+1}}} Start with the given equation.



{{{x=3y+1}}} Switch x and y.



{{{x-1=3y}}} Subtract 1 from both sides.



{{{(x-1)/3=y}}} Divide both sides by 3.



So the inverse of {{{f(x)=3x+1}}} is *[Tex \LARGE f^{-1}\left(x\right)=\frac{x-1}{3}]