Mr. dogs has asked your company to design a seating plan for a new nhl arena currently his team plays in a ring like the one below mr. dog once the numbers of seats in the arena to be between 18,020 2500 one ring of seats all the way around the rink is considered a roll and roll when is considered the row closest to the ice which needs 460 seats do you want the number of seats in each row to increase by the same number four and the subsequent row

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)