ASAP, Karissa bought a plant in the spring that was 5 inches tall. Over the summer, it grew 1 3/4 inches each month for four months before it wilted. What rational number represents the plant's growth over the summer?
4 3/4
6 3/4
7
2 2/7
1 3/4

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)