Question: if a binary constraint is written as x1 = x2, where x1 refers to the selection (or non-selection) of facility 1, and x2 refers to

if a binary constraint is written as x1 = x2, where x1 refers to the selection (or non-selection) of facility 1, and x2 refers to the selection (or no -selection) of facility 2, then this constraint is integrated as:

a) facility 2 must be selected under all circumstances

b) facility 1 must be selected under all circumstances

c) facility 2 must be selected if facility 1 is selected

d) facility 2 can be selected without selecting facility 1

QUESTION 2 wa binary constraint is written as xt where xt refers to the selection for non-tolecion) Facility and refers to the selection of the the contra la interpretadas Facy 2 mit be selected under al cumstances Facity must be selected under al circumstances Facily meste selected Facilities selected Facy can be selected without selecting Facility

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