Question 8 (8 points) 5) For a certain individual, the volume (in liters) of air in the lungs during 2 respiratory cycles is given in chart below. Volume Of Air in Lungs 0.6 Vollume (liters) 0.4 0 0 10 Time (sec) a) What is the minimum degree of a polynomial function that could be used to model data given above? points) b) Would the leading coefficients be positive or negative (4 points)? Blank # 1 A Blank # 2 Question 6 Question 9 (6 points) 6) The following equation models a runner's speed f(x) (in ft/sec). x represents time in seconds after the st. of a race (round all answers to the nearest tenth). F(z) = 101-10 Approximate the runners speed after 6 seconds. (3 points) Approximate the runners speed after 100 seconds. (3 points)Question 9 (6 points) 6) The following equation models a runner's speed f(x) (in fu/sec), x represents time in seconds after the start of a race (round all answers to the nearest tenth). F(x) = 10z-10 a) Approximate the runners speed after 6 seconds. (3 points) 6 b) Approximate the runners speed after 100 seconds. (3 points) Blank # 1 Blank # 2 Question 10 (6 points) 6) The following equation models a runner's speed f(x) (in fu/sec), x represents time in seconds after the start of a race (round all answers to the nearest tenth). F(t) = 10x -10 c) Write a function representing the inverse of f(x) and interpret its meaning of x and y in context to the problem. All work must be completed by hand and justified mathematically. (6 points) Paragraph ~ BI U E- Ev + ... All work must be completed by hand and justified mathematically. Type your work in using the equation editor