Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 7.7%? Round to the nearest year. Use the exponential growth model 
A. 26 yr
B. 9 yr
C. 1 yr
D. 4 yr
Answer: B
Mathematics
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Dr. Stevens is considering a 30-year mortgage at 4% interest. She can make payments of $3500 a month. What size loan can she afford?
(a) $831,114.26 (b) $786,457.35 (c) $750,114.36 (d) $833,114.34 (e) $733,114.34
Mathematics
Use the unit circle to determine the value of the given expression or state that it is undefined.cot 
A. 
B. - 
C. - 
D. 
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f + g.
A. (f + g)(x) = 
; 
B. (f + g)(x) = 
; {x|x ? 0}
C. (f + g)(x) = 
; 
D. (f + g)(x) = 
; 
Mathematics
Perform the operation and write the result in the standard form.(9 - 8i)(3 - 4i)
A. 32i2 - 60i + 27 B. -5 - 60i C. -5 + 60i D. 59 + 12i
Mathematics