In this document there are 5 coloring worksheets where students must determine whether the given problem represents a function or does not represent a function.1 worksheet focuses on determining if coordinates (set of ordered pairs) does or does not represent a function. 1 worksheet focuses on determining if a table of values does or does not represent a function.1 worksheet focuses on determining if a graph does or does not represent a function 1 worksheet focuses on determining if an input/oup