Functions
4 Revision Questions 
Functions and composite functions
A Function is a mathematical rule that assigns only one output to each input.
tt7_1.1_introduction_to_functions.pdf Download File Composite functions are functions of functions. tt7_1.2_composition_of_functions.pdf Download File 
Graphing functions
Considering how to sketch some common functions such as quadratic, cubic, exponential, trigonometric and log functions.
sketching_functions.pdf Download File Quadratic functions: solutions, factors, graph, complete square form. We played a matching game included in the file below. quadratic_functions.pdf Download File 
Injective, surjective and bijective functions
Functions may be injective, surjective, bijective or none of these.
tt7_1.3_types_of_functions.pdf Download File 

Inverse functions
The course requires that students can find the inverse function. This is the reflection of the function in the line x=y.
tt7_1.4_inverse_fuctions.pdf Download File 
