Algebra ->
Functions
-> SOLUTION: Which of the following relations is a function?
A.
{(5,9),(−7,3),(−5,11),(7,9)}
B.
{(6,11),(−8,7),(6,4),(9,5)}
C.
{(−12,1),(4,9),(−12,8),(−4,15)}
D.
{(8,3),(8
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Question 1170033: Which of the following relations is a function?
A.
{(5,9),(−7,3),(−5,11),(7,9)}
B.
{(6,11),(−8,7),(6,4),(9,5)}
C.
{(−12,1),(4,9),(−12,8),(−4,15)}
D.
{(8,3),(8,0),(−8,13),(−8,17)}
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! A. It is the only one where the x values are all different.
When there is the same x value and two different y-values, there is no function.
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