Convert the objective function into a maximization function.Minimizew = y1 + 3y2 + y3 + 4y4subject to:y1 + y2 + y3 + y4 ? 18 2y1 + 2y2 + y3 + 2y4 ? 48 y1 ? 0, y2 ? 0, y3 ? 0, y4 ? 0
A. Maximize z = -y1 - y2 - y3 - y4 ? -18
B. Maximize z = -2y1 - 2y2 - y3 - 3y4 ? -48
C. Maximize z = -y1 - 3y2 - y3 - 4y4
D. Maximize z = y1 + 3y2 + y3 + 4y4 - y5
Answer: C
Mathematics
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Solve the problem.Find the volume of the solid bounded by the elliptical cone 
+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 
? units3
B. 
? units3
C. 
? units3
D. 
units3
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Follow the proper order of operations to evaluate the following.
A. - 76
B. - 
C. - 
D. - 90
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Use L'H
pital's rule to find the limit.
x
A. ? B. 1 C. 0 D. 4
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics