Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Drill-down visualizations can be a good way to present a lot of data in a digestible format. In this example, we’ll create a graph of median home values by U.S. state using R and the highcharter ...