Differentiation  
Summary 
the process of finding the gradient or derived function is called differentiation. for a function f(x) the derived function is given by f '(x). an alternative notation is that for a function y the derived function is y ' or polynomial functions are differentiated term by term.terms must be written in index form before they are able to be differentiated. 
Key Skills 

Vocabulary 
differentiation, derived function, coefficient, exponent, polynomial. 