Question #200055
consider the following set of inequalitis: y_>5-2.5x
y_<3-x
x,y_>0
the correct graphical representation of this set of inequalities is given by
1
Expert's answer
2021-05-31T06:55:52-0400

Solution:

Given,

y52.5x;y3x;x,y0y\ge5-2.5x; \\y\le3-x; \\x,y\ge0

Plot y=52.5x; y=3xy=5-2.5x;\ y=3-x on graph.

Put x=0,y=0x=0,y=0 in given inequations, we get,

y52.5x05FalseShaded portion/area under this inequality does not include O(0,0).y3x03TrueShaded portion/area under this inequality includes O(0,0).y\ge5-2.5x\Rightarrow 0\ge5\Rightarrow False\Rightarrow \text{Shaded portion/area under this inequality does not include O(0,0).} \\y\le3-x\Rightarrow 0\le3\Rightarrow True\Rightarrow \text{Shaded portion/area under this inequality includes O(0,0).}

x,y0Feasible region/area is in first quadrant onlyx,y\ge0 \Rightarrow \text{Feasible region/area is in first quadrant only}



This is required graphical representation of given inequalities and shaded region is the solution.


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