3 is less then is equal to 7 +g​

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)

What is 0.368,0.380,0.365,and 0.383 in order from least to greatest

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price