C241 PLTL SESSION – 3/1/2015 Functions & Relations Warm-Up Exercise • Grab a worksheet • Begin completing the worksheet in pairs or small groups Problem 1 Give the definition of a function and then give an example of an injective function, a surjective function, and a bijective function. (Note: the domain and codomain of each function should be specified.) Problem 2 Give the definition of a relation and compare it to your previous definition of a function. Problem 3 Give the definition of an Euler path and then come up with a graph that forms and Euler path.