Solve the problem.The function f(t) = -0.13t2 + 0.5t + 30.5 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.55t2 + 11.62t + 108 models the total yearly cost of Medicare in billions of dollars, where t represents years after 1990. What does the function 
represent? Find 
(15).
A. Cost per person in thousands of dollars. $0.02 thousand
B. Cost per person in thousands of dollars. $8.11 thousand
C. Cost per person in thousands of dollars. $0.17 thousand
D. Cost per person in thousands of dollars. $46.41 thousand
Answer: D
Mathematics
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