How is estimation when dividing multi-digit numbers.

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

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)

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "