Algebra-2

Question Analysis
This question tests the student's ability to evaluate a square root function at a specific input value. The function is given as , and the input value is .

Key Concept Explanation
To evaluate a function at a given input, substitute the input value into the function expression and perform the necessary calculations, ensuring that the argument of the square root is non-negative.

Step-by-step Solution
1. Start with the function expression:
2. Substitute into the function:

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