PLEASE ANSWER ASAP: a line has a slope of 7. one of the points on the line is (3, 5). which of the following could be another point on the line? Choices: a. (-1, -24) b. (-2,-30) c. (6,24) d. (10,55)

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)