Solve the linear programming problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 6 units of vitamin A and at least 6 units of vitamin B. The red vitamin pills cost 
each and contain 1 unit of A and 2 units of B. The blue vitamin pills cost 
each and contain 2 units of A and 1 unit of B. To avoid indigestion, the patient should take no more than 4 red pills and no more than 7 blue pills. How many pills should the patient take each day to minimize costs?
A. 0 red and 6 blue
B. 4 red and 7 blue
C. 2 red and 2 blue
D. 4 red and 1 blue
Answer: D
Mathematics
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What will be an ideal response?
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Find the component form of the indicated vector.Let u = 
. Find 9u.
A. 
B. 
C. 
D. 
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Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. {(1, 2)}
B. inconsistent
C. {(2, 1)}
D. 
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Write 
for the matrices
?
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics