pbking101
Is the following relation a function?
x y
1 −2
1 −3
2 1
3 −2
Yes
No



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

pbking101
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im lost

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

pbking101
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so it would be yes for my question correct?

angela210793
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that means that one X corresponds to only one Ydw:1356625148963:dwdw:1356625205105:dw

pbking101
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so is it yes or no

angela210793
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Do u have any x which gives two different ys???

pbking101
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idk

angela210793
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Look at this
X Y
1 −2
1 −3
2 1
3 −2

pbking101
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so it would be yes

angela210793
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no it is not a function cause x=1 has y=3 and y=3...which can't be