Afisherman separated 1/10 of his catch into 2 equal bins. what fraction is the entire catch was in each bin? a. 20/1 b. 5/1 c. 1/20 d. 1/5 plz me plz i need with this right now.

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)