Algebra-1

Question Analysis
This question tests the ability to evaluate a piecewise function at a specific point, focusing on the correct identification of the interval and the corresponding expression.

Key Concept Explanation
To evaluate a piecewise function, first determine which interval the given value falls into, then substitute the value into the appropriate expression.

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