Maximize f = 5x + 11y subject to

x - 3y ≥ 3

- x + y ≤ 1

x ≤ 10

x ≥ 0, y ≥ 0

Complete both of the following.

(a) State the given problem in a form from which the simplex matrix can be formed (that is, as a maximization problem with constraints).

(b) Form the simplex matrix, and circle the first pivot entry.