Shade the region of feasible solutions for the given restraints.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Let u = 6i + j, v = i + j, and w = i - j. Find scalars a and b such that u = av + bw.
A. 6v + w B. 0.2857 v + 0.4000 w C. 3.500 v + 2.500w D. 6v - w
Mathematics
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2000.
A. 386 cases B. 1029 cases C. 515 cases D. 504 cases
Mathematics
Simplify.7[32 + 5(6 + 4)]
A. 980 B. 301 C. 71 D. 413
Mathematics
Add.
A. 922 B. 15,411 C. 821 D. 901
Mathematics