Match the following equation to the correct situation.
6g-g=5g
A. The number of bags of grapes left in the fruit drawer after taking out one of 6 bags of grapes.
B. The number of loads left in a garbage truck after one load has been dumped from 5 loads.
C.
The number of gallons of gasoline left in a car when one gallon more than 6 has been used.
D.
The number of girls in a caravan of cars when one more car with 6 girls is added to the caravan.

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)