Rewrite the objective function into a maximization function.Minimizew = 2y1 + 4y2 + 3y3subject to:y1 + y2 ? 6 2y1 + 3y2 + y3 ? 28 y1 + 2y2 + y3 ? 12 y1 ? 0, y2 ? 0, y3 ? 0
A. Maximize z = -2x1 - 3x2 - x3 ? 28
B. Maximize z = -2x1 - 4x2 - 3x3
C. Maximize z = 2x1 + 4x2 - 3x3
D. Maximize z = -x1 - x2 ? 6
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
E. 
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Solve the problem.(n - 1)! =
A. 
B. n! - 1!
C. n × (n - 1)!
D. 
E. none of these
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Factor completely, or state that the polynomial is prime.147x2 + 378xy + 243y2
A. 3(7x + 9y)(7x - 9y) B. 3(7x + 9y)2 C. 3(7x - 9y)2 D. prime
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 10
C. 
D. 
Mathematics