Solve the problem.The function f(t) = -0.14t2 + 0.5t + 30.9 models the U.S. population in millions, ages 65 and older, where t represents years after 1990. The function g(t) = 0.54t2 + 11.69t + 107 models the total yearly cost of Medicare in billions of dollars, where t represents years after 1990. What does the function 
represent? Find 
(5).
A. Cost per person in thousands of dollars. $0.17 thousand
B. Cost per person in thousands of dollars. $0.21 thousand
C. Cost per person in thousands of dollars. $5.98 thousand
D. Cost per person in thousands of dollars. $11.99 thousand
Answer: C
You might also like to view...
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 4x + 19
A. - 4 cos (4x + 19) B. - cos (4x + 19) C. 4 cos (4x + 19) D. cos (4x + 19)
Find the value of the radical expression.
A. 50 B. 10 C. -10 D. 11
Simplify the expression.[(-z)8]5
A. -z13 B. (-z)40 C. (-z)13 D. (-z8)5
Solve the problem.Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected slips is not 5?
A. 19 :1 B. 19 :2 C. 9 : 1 D. 21 : 2