What is the coefficient of y in the expression 2 ⋅ 4 + 3y? (1 point) 2 3 7 8?

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)

Joanie watched 1 out of three of a movie in the morning

Predict which statements are true about the intervals of the continuous function. check all that apply