A direct variation function contains the points (–8, –6) and (12, 9). Which equation represents the function? y = –negative StartFraction 4 Over 3 EndFraction equals StartFraction 4 Over 3 EndFractionx y = –k equals negative StartFraction 3 Over 4 EndFraction x. x y = k equals StartFraction 3 Over 4 EndFraction x. x y = k equals StartFraction 4 Over 3 EndFraction x. x

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

For the equations below which statement is true ?

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)