04:38 duration 4 minutes 38 seconds
Union and intersection of intervals
A demonstration of how to deal with interpreting the union and intersection of two inequalities. For a more extensive and exhaustive demo, please view the videos entitled "Understanding…
02:08 duration 2 minutes 8 seconds
Set builder and interval notation
Shows how to interpret and graph on a number line a set written in set builder notation, then goes on to transfer the line graph to interval notation.
02:43 duration 2 minutes 43 seconds
Domain and range from the graph of a continuous…
Domain and range from the graph of a continuous function
Shows how to write the domain and range of a graph of an unbroken function with a starting point and an ending point.