Algebra-1

Question Analysis
This question tests the ability to evaluate a step function at a specific point, requiring the student to identify the correct interval and the corresponding constant value.

Key Concept Explanation
To evaluate a step function, determine which interval the given value falls into and use the constant value associated with that interval.

Step-by-step Solution
1. Identify the value of : .
2. Determine the interval that falls into: .
3. Find the constant value for this interval: