Goal: Define different types of relationships
1) relationship- any set of two or more coordinates
2) function -any set of coordinates that do not have a repeating x coordinates
3) 1 to 1 function-any set of coordinates that do not have a repeating x or y coordinate
1) relationship- any set of two or more coordinates
2) function -any set of coordinates that do not have a repeating x coordinates
3) 1 to 1 function-any set of coordinates that do not have a repeating x or y coordinate