In order to get to work, Lindsay takes access roads that require a toll for drivers to use. She pays $4 each day to use the access roads. She also pays $5 each day to park her car at the company lot. Assuming
the toll payments are used to plot the x-coordinate and the parking lot payments are used to plot the y-
coordinate, which ordered pair represents how much money Lindsay spends during a 5-day work week?
o A. (4,5)
o
B. (12, 15)
o C (15, 20)
OD. (20,25)

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)