Algebra-1

Question Analysis
This question tests the ability to find the inverse of a more complex rational function, which involves multiple steps of algebraic manipulation.

Key Concept Explanation
For a more complex rational function, the inverse can be found by isolating the input variable, solving for it, and then interchanging it with the output variable.

Step-by-step Solution
1. Start with the function:
2. Let :
3. Subtract 3 from both sides:
4. Take the reciprocal of both sides: