# Algebra Examples

Replace with .

Interchange the variables.

Rewrite the equation as .

To remove the radical on the left side of the equation, square both sides of the equation.

Simplify the left side of the equation.

Remove parentheses.

Replace the with to show the final answer.

Set up the composite result function.

Evaluate by substituting in the value of into .

Rewrite as .

Since , is the inverse of .