Short Answer

Graphing Boundary Lines for Deviation Constraints

A manufacturing supervisor is modeling the allowable daily scheduling deviations xx and yy (in hours) for two production lines. The deviations must satisfy the following system of inequalities:

x+y2x + y \leq 2 y23x1y \geq \frac{2}{3}x - 1

When solving this system by graphing on a coordinate plane, what specific visual characteristic (solid or dashed) must be used for each of the two boundary lines, and is the intersection point of these boundary lines included in the final solution region?

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Updated 2026-05-31

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