Find the exact function value.sec 45°
A. 1
B. 
C. 
D. 
Answer: B
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Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 900 people were afflicted with the disease in 2012, estimate the number of new cases in 2017. Round to the nearest whole number.
A. 14 new cases B. 56 new cases C. 113 new cases D. 28 new cases
Find the distance d(A, B) between the points A and B.A = (5, 7); B = (-5, -2)
A. 
B. 1
C. 
D. 90
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.A ? B
A. {2, 3, 5} B. {2, 3, 5, 7} C. {1, 2, 3, 5, 7, 8} D. {1, 2, 3, 5, 8}
Solve.To save for retirement, you decide to deposit $2,500 into an IRA at the end of each year for the next 30 years. If the interest rate is 7% per year compounded annually, find the value of the IRA after 30 years. (Round to the nearest dollar.)
A. $16,531 B. $218,366 C. $4,691,339 D. $236,152