A women bought to quintals of Apples in Mustang for rupees 16000 .she paid rupees 10 per kg apples for the transportation from jomsom to Pokhara .5 kg of Apples were damaged and she sold the remaining Apple quantity at rupees 9o kg calculate or profit or loss percentage in the total transactions

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)