Abasement bedroom must have a window with an opening area of at least 5.7 square feet, per the international residential code. a rectangular basement bedroom window opening is 0.75 meters wide. among the following heights, in meters, which is the smallest that will qualify the window opening per the code?

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)