Solve the problem.The function f(t) = -0.12t2 + 0.53t + 30.4 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.53t2 + 11.9t + 106.4 models the total yearly cost of Medicare in billions of dollars, where t represents years after 1990. What does the function 
represent? Find 
(10).
A. Cost per person in thousands of dollars. $11.75 thousand
B. Cost per person in thousands of dollars. $9.94 thousand
C. Cost per person in thousands of dollars. $0.09 thousand
D. Cost per person in thousands of dollars. $0.17 thousand
Answer: A
Mathematics
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