I am often asked what is the domain and range of a function. So in the following tutorials I introduce you to this concept by looking at linear, quadratic, root and reciprocal functions.

Domain and Range of a Function (1 of 2) | ExamSolutions - youtube Video

In the following tutorial I continue by looking at square root and reciprocal functions. These can be slightly more demanding.

Domain and Range of a Function (2 of 2) | ExamSolutions - youtube Video