Find the maximum value of the objective function and where it occurs, subject to the indicated constraints.
?
Objective function:
?
?
z = 5x + 8y
?
Constraints:
?
        x ? 0
        y ? 0
x + 3y ? 15
4x + y ? 16
?
?
?

A. Maximum at (3, 4): 47
B. Maximum at (4, 0): 20
C. Maximum at (5, 0): 44
D. Maximum at (0, 5): 40
E. Maximum at (0, 0): 0


Answer: A

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