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 ...

It's often easier to spot trends and patterns in graphs and charts than by simply looking through a long table of data, especially for big datasets, so one of the common uses of chart tools is in ...

Revise how to recognise and determine the equation of a quadratic function from its graph with our guide. Back to top. More on Quizzes - National 5 Maths. Find out more by working through a topic.