Evaluate without the use of a calculator.sec-1 (-1)
A. ?
B. 2?
C. 0
D. 
Answer: A
Mathematics
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Use the root test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Find ? if ? is between 0° and 90°. Round your answer to the nearest tenth of a degree. ? cot ?= 0.8536 ?
A. ? = 49.4° B. ? = 48.0° C. ? = 49.5° D. ? = 52.3° E. ? = 50.6°
Mathematics
Use the formula for Sn to find the sum of the first five terms of the geometric sequence. Round to the nearest hundredth, if necessary.1, 
, 
, 
, . . .
A. 
B. - 
C. 
D. 93
Mathematics
Solve the problem.The formula A = 210e0.031t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 295 thousand?
A. 2010 B. 2012 C. 2009 D. 2011
Mathematics