Solve the problem.A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, 
in milligrams after t hours is modeled by 
Estimate the drug's concentration after 5 hours. (Round to the nearest hundredth.)
A. 0.71 milligrams
B. 3.27 milligrams
C. 0.77 milligrams
D. 3.33 milligrams
Answer: C
Mathematics
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Find the vector projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
j - 
k
B. 
i - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Mathematics
Provide an appropriate response.Write fourteen and seven hundred forty-seven thousandths using numbers.
A. 14,747 B. 14.747 C. 14.0747 D. 0.14747
Mathematics
Simplify the radical.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation or operations, if possible.
+ 
A. Cannot be added
B. 
C. 
D. 
Mathematics