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?

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?

anonymous · Answer

@ParthKohli

anonymous · Answer

@mathteacher1729  @Preetha  @ParthKohli

anonymous · Answer

@dmezzullo  @mathteacher1729  @hello123456  @estudier

parthkohli · Answer

Domain consists of $\rm x$-values

parthkohli · Answer

Write down all the $\rm x$-values for me, can you?

anonymous · Answer

it is okay i got it