____________ is/are useful when the original formulation of a problem is altered in some way, typically because the set of constraints to consider evolves because of the environment.

A. Heuristic B. Critical C. Value based D. Analytical E. None of the above

A. Design B. Distribution C. project management D. field service E. None of the above

A. hierarchical planning B. non-hierarchical planning C. All of the above D. project planning E. None of the above

A. The Turing Test B. LISP C. The Logic Theorist D. Cybernetics E. None of the above