A function is a rule or set of rules or instructions for changing one input number into another output number. Functions are written in function notation with the name of the function (usually f ...

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

The main part of the paper is concerned with the discrete type model and the use of a linear maximization function for finding the "optimum" program. The mathematical problem associated with this ...