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 ...

Descriptive labels on an Excel chart enhance its readability and help you interpret the information the chart contains. Whether naming comes in the form of text, numbers or a combination, both the x ...

Graphs in Microsoft Excel typically chart time on the horizontal axis. Time is the independent variable in most relationships and dependent variables appear on the vertical axis. Some charts, though, ...