Functions are one of the most fundamental concepts in mathematics, forming the foundation for topics in algebra, calculus and many other areas. A solid understanding of the basics of functions, ...

GCSE Eduqas Algebraic formulae - Eduqas Function notation – Higher Formulae are used in everyday life, from working out areas and volumes of shapes to converting units of measurement.

Determining the equation of a straight line Function notation The equation of a straight line can be worked out using coordinates and the gradient, and vice versa.