This video explains how to determine the domain and range of a square root function.
This lesson introduces and defines functions of two variables.
This lesson explains and provides an example of practical domain and practical range.
This lesson explains how to determine the domain and range of function given as ordered pairs and from the graph of a function.
This video explains how to determine the practical domain and practical range of a linear profit function.
This video defines the floor function or greatest integer function and then graph a function by hand.
This video explains how to evaluate inverse trig expressions involving arccosine using the unit circle. Answers are checked on a graphing calculator.