Which statements about the graphs of the equations y = 2x + 4 and y =
−x + 4 are true? Select all that apply.
A The graphs intersect the x-axis
at the same point.
B The graphs intersect the y-axis
at the same point.
C The graphs have different
slopes.
D The graphs are parallel lines.

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)