1. Consider the following LP: Maximize z = x, + 3x, subject to *, + x, < 2 - x, + x, 5 4 x, unrestricted x, 2 0 a. Determine all the basic feasible solutions of the problem. (create a table) b. Use direct substitution in the objective function to determine the best basic solution. c. Solve the problem graphically, and verify that the solution obtained in (b) is the optimum. (use graphing paper)

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