Algebra-1

Question Analysis
This question tests the ability to find the inverse of a rational function, which involves solving for the input variable in terms of the output.

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

Step-by-step Solution
1. Start with the function:
2. Let :
3. Multiply both sides by 3:
4. Solve for :

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