Algebra-1

Question Analysis
This question tests the understanding of determining the domain of a piecewise function, considering the domains of each piece.

Key Concept Explanation
The domain of a piecewise function is the union of the domains of its individual pieces. Each piece must be considered separately, and the overall domain is the combination of all valid intervals.

Step-by-step Solution
1. Identify the domain of the first piece for .
2. The domain of is all real numbers, but it is restricted to .
3. Identify the domain of the second piece for .
4. The domain of

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