Algebra-1

Question Analysis
This question tests the understanding of evaluating a piecewise function at a specific point, specifically where the function changes from one expression to another.

Key Concept Explanation
To evaluate a piecewise function, identify which piece of the function applies to the given value of .

Step-by-step Solution
1. Identify the value of :
2. Determine which piece of the function to use: Since , use
3. Substitute

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