A population growing at an annual rate r will triple in a time t given by the formula 
. If the growth rate remains constant and equals 9% per year, how long will it take the population of the town to triple?
?
A. 2.2 years
B. 5.3 years
C. 6.6 years
D. 1 years
E. 12.2 years
Answer: E
Mathematics
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Find the derivative of the function by using the definition.y = 
x4 + 
x3 - 3
A. x3 + x2
B. 
x3 + 
x2 - 3
C. x4 + x3
D. x3 + x2 - 3
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Write as a percent.4
A. 200% B. 0.4% C. 0.04% D. 400%
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Write a polynomial equation in standard form with the given solutions.
, - 
A. 15x2 - 18x + 17 = 0
B. 15x2 + 17x + 18 = 0
C. 15x2 + 17x - 
= 0
D. 15x2 + 17x - 18 = 0
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A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).
A. 
B. 
C. 
D. 
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