When shopping for life insurance, you should look for:
a. Acompany with a low premium rate and a good rating.
b. A company that gives you benefits, like rewards points.
c. A company with an agent that you like and trust.
d. A company that has many policies to choose from.

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)