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 ...

Microsoft Excel doesn't always provide everything you need when it generates graphs. For example, by default, your line graph doesn't included a title. However, this doesn't mean you have to go ...

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...