Is anyone willing to do a whole assignment for me with good answers? I will give 100 points and if you want I also have a Walmart gift card and some points of DeviantArt. its 13 questions and all you have to do is watch a video that is only 14 mins long.
not all answered have to be ight but you need to be above 80%

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)