Use the parametric linear programming procedure for making systematic changes in the bi parameters to find an optimal solution for the following problem as a function of
, for 0
25.

Maximize Z(
)  2x1  x2, subject to x1 10  2

x1  x2 25

x2 10  2

and x1
0, x2
0.

Indicate graphically what this algebraic procedure is doing.