A Practical Way of Dealing with the Complexity of IP

Multiple Choice

A practical way of dealing with the complexity of IP problems is to:

A) stop searching for a better solution when the current best solution is within specified suboptimality tolerances
B) continue searching for the optimal solution until no further objective function improvement can be achieved
C) use a B&B technique
D) use LP relaxation and round the values of the decision variables to the nearest integers