Interchange the variables.

Rewrite the equation as .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Replace the with to show the final answer.

Set up the composite result function.

Evaluate by substituting in the value of into .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Since , is the inverse of .

Find the Inverse x/8