18 Questions Math 8: Identify Functions – MATH Identify functions using sets of ordered pairs, tables, mappings, and graphs. Created in cooperation with Mathy Cathy! Math_by_Kahoot, 02/15/2018 answers Play Which statement is true of ALL functions? For every x there is only one y. For every y there is only one x. For every output, there is only one input. For every input, there is only one output. Which set of ordered pairs represents y as a function of x? Set A Set B Set C Which statement best describes the relation represented by the mapping? Each x corresponds to exactly one y, so this IS a function. Each y corresponds to exactly one x, so this IS a function. This ISN'T a function. There are more x-values than y-values This ISN'T a function. Two x-values have the same y-value. … and 15 more awesome questions! Check them out by clicking “Play”.