Use the key features of the polynomial f(x) = −2x3 + 5x2 − 2x − 3 to describe its end behavior. The left side continues down, and the right side continues up.
The left side continues down, and the right side continues down.
The left side continues up, and right side continues up.
The left side continues up, and the right side continues down.

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)