Simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
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Indicate whether the given series converges or diverges. If it converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Solve the problem.The formula P = 14.7e-0.21x gives the average atmospheric pressure, P, in pounds per square inch, at an altitude x, in miles above sea level. Find the average atmospheric pressure for an altitude of 2.3 miles. Round your answer to the nearest tenth.
A. 8.4 lb/in.2 B. 9.1 lb/in.2 C. 11.0 lb/in.2 D. 7.8 lb/in.2
Graph the linear inequality.x - y > -6
A. 
B. 
C. 
D. 
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°