Clayton and Centerville NO
w
Clayton
A map has a scale of 2 in: 6 mi. If
Clayton and Centerville are 10in
apart on the map then how far
apart are the real cities?
10 in
Centerville
2 in
6 mi

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)