This video lesson is perfect for sub plans, class activities, math centers, remedial help, or flipping your class. This video lesson teaches students about relations and functions. In particular, your student will learn... * The terms relation, function, abscissa, ordinate, image, domain, range * How to tell if a relation is a function * Four ways relations and functions can be represented (x/y chart, graph, set notation, and a mapping diagram) * How to use the vertical line test to tell if a re