Find f(3) for the polynomial function F(x)=x^3-9x^2+5x-2

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)

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start