Algebra-1

Question Analysis
This question assesses the student's ability to determine the domain of a square root function. The domain is restricted by the requirement that the expression inside the square root must be non-negative.

Key Concept Explanation
The domain of a function is the set of all possible input values (independent variable, usually ) for which the function is defined and meaningful. For the function , the expression inside the square root, , must be non-negative. 

Step-by-step Solution
1. Identify the function:

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