Find the nth term {an} of the geometric sequence. When given, r is the common ratio.a = 4; r = 
A. an = 
(4)n-1
B. an = 4 
n
C. an = 4 
n-1
D. an = 4 
n-1
Answer: D
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Use Method II to simplify the complex rational expression.
A. 
B. 
C. 
D. 
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i + 5ln
j + 
k
A. a(1) = 20i - 5j - 2k
B. a(1) = 20i + 
j + 2k
C. a(1) = 20i + 
j - 2k
D. a(1) = 20i + 5j + 2k
Solve the problem.The number of visitors to a tourist attraction (for the first few years after its opening) can be approximated by 
where x represents the number of months after the opening of the attraction. Find the number of visitors 32 months after the opening of the attraction.
A. 370 visitors B. 100 visitors C. 55 visitors D. 82 visitors
Convert the improper fraction to a mixed or whole number.
A. 71
B. 7
C. 
D. 71