Answer :
Using the range concept, it is found that the greatest element in the range of this relation is 9.
- The range of a data-set is the set that contains all possible outputs.
- The data-set has the format (x,y), in which the values of y are the outputs.
Hence, the range is: {0, 5, 8, 9}.
- From the given range, the greatest element is 9.
For more on range of data-sets, you can check https://brainly.com/question/10891721