For the Products A, B, C, and D, Which of the Following

Multiple Choice

For the products A, B, C, and D, which of the following could be a linear programming objective function?

A) Z = 1 A + 2 B + 3 C + 4 D
B) Z = 1 A + 2 BC + 3 D
C) Z = 1 A + 2 AB + 3 ABC + 4 ABCD
D) Z = 1 A + 2 B ÷ C + 3 D
E) Z = 1 A + 2 B − 1 CD