Question

Is the following relation a function?
x y
1 −2
1 −3
2 1
3 −2


Yes
No

Answer 1

\[\textbf{HINT}\]In a function, there is only one \(y\) for any \(x\).

Answer 2

im lost

Answer 3

Example: \(\{(1,2),(1,9),(9,2)\}\) is not a function because here, \(1\) has two \(y\)'s: \(2\) and \(9\).

Answer 4

so it would be yes for my question correct?

Answer 5

that means that one X corresponds to only one Y