4.9-A Vector-Valued Functions Video

* Express the position of a particle moving in a plane as a vector-valued function. * Determine magnitude to find distance of the particle from the origin. * Find the domain of a vector-valued function. * Use vector-valued functions to determine movement of a particle along a curve. * Determine the angle of a vector at a given time. * Find displacement and sketch the displacement vector. * Determine the average rate of change over an interval.