Algebra-1

Question Analysis
This question tests the ability to handle function compositions involving square roots and polynomials. It requires careful substitution and simplification.

Key Concept Explanation
The composition means applying first and then applying to the result. The order of operations is crucial, and attention must be paid to the domain restrictions.

Step-by-step Solution
1. Start with the given functions: and
2. Substitute into :

Click "Show Answer" to reveal the answer and analysis