Solve the problem.Joytown has a present population of 40,000 and the population is increasing by 2.5% each year. How long will it take for the population to double? Round your answer to the nearest year.
A. 40 years
B. 29 years
C. 28 years
D. 41 years
Answer: C
Mathematics
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Use implicit differentiation to find dy/dx.x = sec(2y)
A. 
sec(2y) tan(2y)
B. 
cos(2y) cot(2y)
C. 2 sec(2y) tan(2y)
D. cos(2y) cot(2y)
Mathematics
Find the exact value of the expression.sin
A. 1
B. 
C. 0
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 4r2+ 6r + 
B. 4r2+ 6r+ 7
C. 4r2- 6r- 7
D. r2+ 7r+ 6
Mathematics