Billy, kip, and patrick earned a combined 14 points during their team's game. billy earned 5 points and kip earned 6 points. which of the following equations can be used to determine how many points patrick earned? 5 + 6 = 14 + y 5y + 6 = 14 6y + 5 = 14 5 + 6 + y = 14

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)