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 use functions to represent translations, sketches, compressions and reflections of graphs with GCSE Bitesize Maths.

Identifying and sketching related functions Inverse of a logarithmic or exponential function The rules from graph translations are used to sketch the derived, inverse or other related functions.