Replace with .
Interchange the variables.
Solve for .
Rewrite the equation as .
Take the cube root of both sides of the equation to eliminate the exponent on the left side.
Solve for and replace with .
Replace the with to show the final answer.
Set up the composite result function.
Evaluate by substituting in the value of into .
Pull terms out from under the radical, assuming positive real numbers.
Since , is the inverse of .