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Question
Determine the region in the plane determined by the inequalities:
2x + y ≥ 8, x + 2y ≥ 8, x + y ≤ 6
Solution
2x + y = 8
| x | 0 | 4 |
| y | 8 | 0 |
x + 2y = 8
| x | 0 | 8 |
| y | 4 | 0 |
x + y = 6
| x | 0 | 6 |
| y | 6 | 0 |
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