Algebra-1

Question Analysis
This question assesses the student's understanding of the boundary line in a two-variable linear inequality and how the type of inequality sign affects the boundary line.

Key Concept Explanation
The key concept is recognizing that a solid line is used when the inequality includes the equal sign (≤ or ≥), indicating that points on the boundary are part of the solution set.

Step-by-step Solution
1. Identify the inequality:

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