(20 pts) Find tan theta if theta is an angle in standard position and the point with coordinates (4, 3) lies on the terminal side of the angle.

What is the measure of angle afe? 79 81 91 99

When you answer this can you explain

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)