Educational worksheet on relations and functions, featuring examples and exercises to identify function types.
A worksheet titled "What is a Relation? What is a Function?" explaining the difference between relations and functions, with examples including sets of ordered pairs, tables, and graphs. The worksheet includes two questions: Question 1 asks to name the method of expression for given relations, and Question 2 asks to determine whether given relations are functions. The images show a mapping diagram, a table of values, a linear graph, and two scatter plots.