Solve the problem.The function f(t) = -0.14t2 + 0.52t + 31.9 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.5t2 + 12.49t + 106.8 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. $12.19 thousand
B. Cost per person in thousands of dollars. $0.18 thousand
C. Cost per person in thousands of dollars. $9.11 thousand
D. Cost per person in thousands of dollars. $0.08 thousand
Answer: A
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.
?
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?
A. 
B. 
C. 
D. 
E. 