?Medication. The number of milligrams x of a medication in the bloodstream t hours after a dose is taken can be modeled by 
. Find the maximum value of x. Round your answer to two decimal places.
?
A. 1.73 hours
B. ??1443.37 hours
C. ?3.73 hours
D. ?4.22 hours
E. 1.73 hours
Answer: B
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Use Euler's method with the specified step size to approximate the solution.Use Euler's method with h = 0.2 to approximate y(4) given that y' = -y/x and y(3) = 2. Round your answer to four decimal places.
A. y(4) ? 1.4737 B. y(4) ? 0.6667 C. y(4) ? 0.9167 D. y(4) ? 1.4167
Find the sum of the geometric series.
A. 
B. 
C. 
D. 
Add. Simplify the result whenever possible.
+ 
A. 
B. 
C. 
D. 
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
A = 16° 21', c = 225 ftRound side lengths to two decimal places.
A. B = 73° 39'; a = 62.77 ft ; b = 215.01 ft B. B = 74° 38'; a = 63.34 ft; b = 211.90 ft C. B = 73° 39'; a = 63.34 ft; b = 215.90 ft D. B = 73° 38'; a = 66.54 ft; b = 217.10 ft