Algebra-1

Question Analysis
This question tests the ability to evaluate a piecewise function at a boundary point, which requires understanding the definition and the specific intervals for each piece.

Key Concept Explanation
For a piecewise function, the value at a boundary point is determined by the piece that includes the boundary in its interval.

Step-by-step Solution
1. Identify the interval for : Since , use the first part of the function.
2. Substitute into the first part:

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