How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a ...

Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

In the case of a scatter plot, whether you use it simply with marking points or lines, the graph is spread across the XY-axis. Eg. Let us consider this example of a person’s salary across the ...