Evaluate the piecewise function at $$ x = -2 $$ : $$k(x) = \...

Question Analysis
This question tests the evaluation of a piecewise function at a specific value, focusing on the definition and application of piecewise functions.

Key Concept Explanation
To evaluate a piecewise function, determine which part of the function to use based on the given value of .

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