A minivan with a gross weight of 5400 pounds is parked on a street with a slope of 6°. Find the force required to
keep the vehicle from rolling down the hill. What is the
force perpendicular to the hill?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Brent wants to know what is 5 x 1/2

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)