Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 7.6%? Round to the nearest year.
A. 6 years
B. 1 year
C. 14 years
D. 39 years
Answer: C
Mathematics
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Find the center and the radius of the circle.(x + 2)2 + (y - 6)2 = 14
A. (2, -6), r = 14
B. (2, -6), r = 
C. (-2, 6), r = 
D. (-2, 6), r = 14
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Find the slope of a line tangent to the given curve at the given point.y = 23 cos x; x = 
A. 
B. - 
C. - 
D. 
Mathematics
Give the exact value of the expression.arccos
A. 
B. 
C. 
D. 
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Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x3 + 8x2 - 18x + 20; x + 10
A. Yes B. No
Mathematics