Choose all correct answers. Note: You must choose all correct answers to get credit. In a linear programming problem "a decision"

		is the optimum choice amongst alternative courses of action
		is represented in the model by decision variables
		May not be possible. We may get an unbounded model
		None of the above.

4 points

Question 27

Note: Must choose ALL the correct answers to get credit. Non-negativity constraints in an optimization model

		May restrict all quantities to absolute values
		Restrict the variables to zero or positive
		Restrict the variables to a slack variable.
		Restrict the variables to negative values
		None of the above