Solve the problem.The concentration C (arbitrary units) of a certain drug in a patient's bloodstream can be modeled using 
where t is the number of hours since a 500 milligram oral dose was administered. Using the TABLE feature of a graphing utility, find the time at which the concentration of the drug is greatest. Round to the nearest tenth of an hour.
A. 5.6 hours
B. 7.9 hours
C. 6.4 hours
D. 7.1 hours
Answer: A
Mathematics
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Solve the equation.(t - 4)2/3 + 6(t - 4)1/3 + 8 = 0
A. 4, -60
B. -2, -4
C. -4, -60
D. 3
, 3
Mathematics
Graph each set of numbers on the number line.-7, -5, -3, -1
A. 
B. 
C. 
D. 
Mathematics
Find the mistake, then find the correct answer.line 1 x2 - 6x = 16line 2 x2 - 6x + 9 = 16 + 9line 3 (x - 3)2 = 25line 4 x - 3 = 
line 5 x - 3 = 5 line 6 x - 3 + 3 = 5 + 3 line 7 x = 8
What will be an ideal response?
Mathematics
Do the operation and express the answer in a + bi form.
?
?
A. 19i B. - 19i C. - 190i D. - 19 E. 19
Mathematics