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.

You can also choose a 3-D chart to add some aesthetic texture to the graph. These different graph options are relatively easy to create in Excel when you're looking to visually represent a data range.

Functions with Corners: 2.1: Some examples of graphs with corners which I talked about in lecture. The tangent line to a graph does not exist at a corner. Algebraic Simplification: 2.3: When computing ...