Solve the problem.In 1990, the population of a country was estimated at 4 million. For any subsequent year the population, P(t) (in millions), can be modeled by the equation 
where t is the number of years since 1990. Estimate the year when the population will be 21 million.
A. approximately the year 2088
B. approximately the year 2093
C. approximately the year 2041
D. approximately the year 2016
Answer: B
Mathematics
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Solve the problem.Obtain the first nonzero term of the Maclaurin series for sin-1 x - tan-1 x.
A. 
B. 
C. - 
D. 
Mathematics
Graph the function.y = log2 x
A. 
B. 
C. 
D. 
Mathematics
Find the total amount due on the simple interest loan. Round your answer to the nearest cent.Principal = $1040Rate = 14%Time in months = 8
A. $1137.07 B. $1058.20 C. $14,684.84 D. $114,747.00
Mathematics
Convert the measurement as indicated.4
gal to cups
A. 76 c B. 38 c C. 19 c D. 152 c
Mathematics