Table 10-4 a Company Has Decided to Use 0−1 Integer Programming to Programming

Multiple Choice

Table 10-4
A company has decided to use 0−1 integer programming to help make some investment decisions. There are three possible investment alternatives from which to choose, but if it is decided that a particular alternative is to be selected, the entire cost of that alternative will be incurred (i.e., it is impossible to build one-half of a factory) . The integer programming model is as follows:
-Table 10-4 presents an integer programming problem. What is the meaning of Constraint 1?

A) If X₁ is selected, X₂ must also be selected.
B) No more than two alternatives may be selected.
C) At least two alternatives must be selected.
D) If X₂ is selected, X₁ must also be selected.
E) None of the above