On monday delilahs family drives 45 1/3 miles each hour

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)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?