Find the mean for the list of numbers. Round to the nearest tenth.17, 10, 5, 10, 6, 4, 8
A. 8.1
B. 8.6
C. 10.1
D. 10
Answer: B
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Graph the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Provide an appropriate response.Given a geometric sequence such that a1 = 1 and a3 = 
, find a6.
A. 
B. 
C. 
D. 
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.-5x4 - 8x2 + 1 = 0
A. -1 < x < 2 B. -1 < x < 1 C. -2 < x < 2 D. No bound can be determined.
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