Understand the use of symbols in mathematics. Develop mathematical knowledge. Logarithms Laws of indices including the use of positive and negative rational indices. Concept of logarithms. Solutions of equations involving these functions.
Applications can include growth, decay and cooling rates.
Link with differential equations. Additional Higher Level Work Functions and Calculus Functions Definition of the terms function, domain, codomain and range. Graphs of elementary functions. Greatest and least values of a function on an interval. Continuity and, without proof, the intermediate value theorem.