Algebra-1

Question Analysis
This question evaluates the ability to evaluate a piecewise function at a specific point, emphasizing the importance of correctly identifying the applicable piece of the function.

Key Concept Explanation
To evaluate a piecewise function, determine which piece of the function applies to the given input and then substitute the input into that piece.

Step-by-step Solution
1. Identify the interval for : Since , we use the first piece .
2. Substitute