X = { (2, 4), (3, 4), (4, 4), (5, 4) } Is x a function and why?

Question

Mathematics

Alisha Moody

26 July, 03:21

X = { (2, 4), (3, 4), (4, 4), (5, 4) } Is x a function and why?

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Answers (2)

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Matilda Lara · Answer 1

F (x). "f (x) = ... " is the classic way of writing a function. And there are other ways, as you will see! ... Example: { (2, 4), (2,5), (7,3) } is not a function because {2,4} and {2,5} means that 2 could be related to.

Kaitlin · Answer 2

This is a function because no x-values repeat. If you were to graph all these numbers and then do the vertical line test it would pass because none of the x-values repeat.