Jennifer $12 to spend on lunch and roller rink. admission to the roller rink is $5.75 jennifer estimates that she can buy a large drink a turkey sandwich and still have enough money to get into the rink. do you agree? support your answer.

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)