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 ...

Adding a graph in a spreadsheet is no big deal as long as you know the process. However, do you know that you can make a curved line graph in Excel or Google Sheets? If not, you should check out this ...

A good graph supports your argument without taxing the reader's eye or patience. Keep the graph simple and you will end up with more effective, cleaner and clearer result than adding unnecessary ...