This video will show you everything you need to know about domains, ranges and relations. It's important to be able to describe a graph in terms of its domain and range. We know that graphs effectively a set of ordered pairs created from a relation.
This video looks at how we can describe common functions such as quadratics, square root graphs and hyperbolas in terms of their domains and ranges. There are some examples which show the common exam tricks used. There is so much fun in this video!