An average men requires about 2.00mg of riboflavin (vitamin b2) per day. how many pounds of cheese would a man have to eat per day if this were his only source of riboflavin and if the cheese contain 5.5 ug riboflavin per gram?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)