Education
The fifteenth lecture in Dr Joel Feinstein's G11FPM Foundations of Pure Mathematics module covers graphs of functions revisited. Injections (injective functions), surjections (surjective functions) and bijections (bijective functions). The connection between bijections and inverse functions. These videos are also available on YouTube at: https://www.youtube.com/playlist?list=PLpRE0Zu_k-BzsKBqQ-HEqD6WVLIHSNuXa Dr Feinstein's blog may be viewed at: http://explainingmaths.wordpress.com Dr Joe