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 ...

When Facebook rolled out its search feature, it seemed to hold great promise. The hitch: No one could actually find it. Facebook’s graph search, which as of today is active for all U.S. English users, ...

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 ...

In this paper, a new type of graph contractive multi-valued mappings in a metric space with a directed graph is introduced and studied. A common fixed point theorem of those two multi-valued mappings ...

Carpathian Journal of Mathematics, Vol. 30, No. 2 (2014), pp. 129-137 (9 pages) Hassen, Abbas and Vetro [H. Aydi, M. Abbas and Vetro, Partial Hausdorff metric and Nailer's fixed point theorem on ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...

Parallel lines are a fixed distance apart and will never meet, no matter how long they are extended. Lines that are parallel have the same gradient. The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) ...