Q9 of 39 Page 157

Sketch the region {(x, y): x ≥ 0, y ≥ 0, x + 2y ≤ 4} in a coordinate system set up by you.


In the graph the black- lined shaded region is the desired region. (whose left side is covered by the y-axis, downside by the x-axis and remaining by line x+2y=4).


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