Branch and bound node i may be fathomed for the following reason(s) in a minimization problem (select all that apply) O LP; is integer feasible O LP; is infeasible OLP; is feasible, but the relaxation objective is less than the incumbent objective LP; is feasible, but the relaxation objective is greater than the incumbent objective The LP; down-branch is integer feasible The LP; up-branch is infeasible
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