Separable Programming Will Always Find the Optimal Solution When the Following

Multiple Choice

Separable programming will always find the optimal solution when the following is true:

A) The profit or cost graph is piecewise linear.
B) There are decreasing marginal returns.
C) The profit or cost graph is piecewise linear and there are decreasing marginal returns must both be true.
D) Separable programming only finds an approximate solution.
E) None of the choices is correct.