Solve the problem.If Emery has $2300 to invest at 11% per year compounded monthly, how long will it be before he has $3000? If the compounding is continuous, how long will it be? (Round your answers to three decimal places.)
A. 54.998 yr, 2.597 yr
B. 0.034 yr, 0.242 yr
C. 2.427 yr, 2.415 yr
D. 0.212 yr, 0.201 yr
Answer: C
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Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The lines 
, 
, and 
A. 
B. 
C. 
D. 
Solve the problem.In 1998, the population of Country C was 28 million, and the exponential growth rate was 1% per year. Find the exponential growth function.
A. P(t) = 280.01t , where P(t) is in millions and t is the number of years after 1998. B. P(t) = 28e0.01t, where P(t) is in millions and t is the number of years after 1998. C. P(t) = 28e0.01, where P(t) is in millions and t is the number of years after 1998. D. P(t) = 28e1t, where P(t) is in millions and t is the number of years after 1998.
Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.(8, 4); Find cot ?.
A. 
B. 
C. 2
D. 
Use common or natural logarithms to solve the exponential equation symbolically.4(2x - 1) = 13
A. x = 
+ 
B. x = - 
- 2
C. x = 
- 
D. x = 
+ 1