The slope-intercept form of the equation of a line that passes through point (-3, 8) is y= 2x + 6. What is the point-slope
form of the equation for this line?
y-3 = _{(x + 8)
y+3-(x–8)
y+8 = (x-3)
y- 8 = {(x + 3)

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)