Determine if the series 
defined by the formula converges or diverges.a1 = 9, an+1 = 
an
A. Diverges
B. Converges
Answer: A
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Find the Jacobian for the given transformation.
A. - 
B. -24
C. -40
D. - 
Solve.The population in a particular country is growing at the rate of 2.7% per year. If 6,365,000 people lived there in 2012, how many will there be in the year 2020? Use the equation 
to solve and round to the nearest ten-thousand.
A. Approximately 9,480,000 people B. Approximately 7,740,000 people C. Approximately 8,690,000 people D. Approximately 7,900,000 people
Solve the problem.What is the maximum r-value for the polar equation r = 3 cos 4?? Note that a maximum 
is a maximum value of 
, the maximum distance from the pole.
A. 3, -3 B. 7 C. 4 D. 3
Use the Gauss-Jordan method to solve the system of equations.-2x + 8y - z = 45 x + 7y + 8z = 122 5x + y + z = 21
A. (-1, 7, 2) B. (1, 7, 9) C. (1, 9, 7) D. No solution