2. justine is mixing yellow and red paint to make orange paint. the table below shows the ratio of drops of red paint to yellow paint needed to make orange paint. complete the table to determine how many drops of red paint are needed when 35 drops of yellow are used.

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)