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