Question

The set of ordered pairs below defines a relation. In each ordered pair (x, y), x represents the daily wages of a plumber, and y represents the daily wages of her assistant.

{(144, 72), (171, 84), (198, 84), (171, 96), (144, 72)}

What is the difference between the values of the least and greatest elements in the domain of this relation?

24

54

72

126

Answer 1

here the greatest value in domain is 198 and least value in domain is 144.
their difference is 54

Answer 2

so the answer is 54?

Answer 3

i think so

Answer 4

alright thanks.

Answer 5

you are welcome :)