2. Janet went for a hike at 7:20 A. M. The hike took 1 hour and 50 minutes. As soon as she
got back from the hike, Janet played softball for 1 hour and 50 minutes. What time did
Janet finish playing softball?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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)

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how