Use the simplex method to maximize the function (if possible) subject to the given constraints. If there is no solution, indicate this; if multiple solutions exist, give one solution.
?
Maximize 
subject to
?
?
A. maximum: 56 at 
, 
B. maximum: 100 at 
, 
C. maximum: 84 at 
, 
D. maximum: 70 at 
, 
E. no solution
Answer: A
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