Use graphical methods to solve the following linear programming problem. Minimize: $z = x + 3y$ subject to: $x + y \le 14$ $2x + 3y \ge 6$ $x \ge 0, y \ge 0$ Graph the feasible region using the graphing tool to the right.
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$x + y \le 14$ can be rewritten as $y \le -x + 14$. The line is $y = -x + 14$. We test the origin (0,0): $0 \le 14$, which is true. So we shade below the line. $2x + 3y \ge 6$ can be rewritten as $y \ge -\frac{2}{3}x + 2$. The line is $y = -\frac{2}{3}x + 2$. We Show more…
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