Kg A farmer recorded the total fresh yield, in kilograms per hectare
ha
of several varieties of onion crops. The table at left gives the results. If
kg
the farmer tried a new variety, with a 57,930 yield, how would it
ha
affect the median and mean of the crop yields?

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)