Michael rented a truck for one day. There was a base fee of $15.95,and there was a additional charge of 77 cents for each mile driven. Michael had to pay $238.48 when he returned the truck. For how many miles did he drive the truck?

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)