Find the sum of the sequence.
A. 36
B. 23
C. 33
D. 30
Answer: A
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Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.?
A. Nonreal complex B. Real, complex C. Complex D. Complex, pure imaginary, nonreal complex
Find the distance that the particle travels in the first 3 seconds (from t = 0 to t = 3 ).
A particle is initially at the origin. Its velocity, in meters per second, at any time t , t ? 0 , is given by v (t ) = t 2 + 2t .
Solve the problem.A deep-sea diver dives from the surface to 233 meters below the surface and then swims up 9 meters, down 19 meters, down another 28 meters, and then up 23 meters. Find the diver's depth after these movements.
A. 192 meters below the surface B. 248 meters below the surface C. 266 meters below the surface D. 154 meters below the surface
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. 4.8 hours B. 2.5 hours C. 3.3 hours D. 4 hours