Consider the following problem.

Maximize Z  2x1 x2  x3, subject to x1 x2  3x3 4 2x1  x2  3x3 10 x1 x2 x3 7 and x1  0, x2  0, x3  0.
D,I

(a) Work through the simplex method step by step in algebraic form to solve this problem.
D,I

(b) Work through the simplex method step by step in tabular form to solve the problem.
C

(c) Use a computer package based on the simplex method to solve the problem.
D,I