Question 1087242


the inverse of: 

{{{f(x)=3x^3+8}}}......since {{{f(x)=y}}} we have

{{{y=3x^3+8}}}.....swap {{{x}}} and {{{y}}}

{{{x=3y^3+8}}}....sole for {{{y}}}

{{{x-8=3y^3}}}

{{{(x-8)/3=y^3}}}

{{{y=root(3,(x-8)/3)}}}

{{{f^-1(x)=root(3,(x-8)/3)}}}