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sketch the feasible region for this system of the inqualities and find the coordinates of each vertex:y greater than or equal to 1;x less than or equal to 2; -1x+2y less than or equal to 6;1x+2y greater than or equal to 2

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    a) y>/= 1
    b) x</=2

    2y</= x+6
    c) y </= (1/2) x + 3

    2 y >/= -x +2
    d) y >/= -(1/2)x + 1

    a and d hit at (0,1)
    a and b hit at (2,1)
    b and c hit at (2,4)
    c and d hit at (-2,3)
    Inside that figure

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