Upon entering the museum, there is a display showing the layout of different fish tanks visitors can see. the diagram below represents the size of the windows visitors look though when looking at the exhibits in hallway a. each window is 6 feet tall. write two expressions that represent the total area of the window?

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)