If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Edit your horizontal chart data in Excel 2007 with a variety of available tools. Change the data, format, titles and scale of your scatterplot's horizontal axis. Scatterplots are a type of chart in ...

Grid lines add horizontal and/or vertical lines to your graph that aid in measuring graph values. By default, these grid lines use the color assigned to the "automatic" selection feature, which is ...