Consider the following problem.

Maximize Z  2x1  x2, subject to x1  x2 40 4x1  x2 100 and x1  0, x2  0.

(a) Solve this problem graphically in a freehand manner. Also identify all the CPF solutions.

(b) Now repeat part

(a) when using a ruler to draw the graph carefully.

D

(c) Use hand calculations to solve this problem by the simplex method in algebraic form.

D,I

(d) Now use your OR Courseware to solve this problem interactively by the simplex method in algebraic form.

D

(e) Use hand calculations to solve this problem by the simplex method in tabular form.

D,I

(f) Now use your OR Courseware to solve this problem interactively by the simplex method in tabular form.

C (g) Use a software package based on the simplex method to solve the problem.