SOLUTION: Given the relation R={(1,2),(-3,4),(0,-4),(1,0)} 1. Is R a function? Why or why not?

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Question 56071: Given the relation R={(1,2),(-3,4),(0,-4),(1,0)}
1. Is R a function? Why or why not?
Answer by Lacey020991(49) About Me  (Show Source):
You can put this solution on YOUR website!
A function is where every 'x' has it's own 'y'.
In this case, there is a different y for every x. it is ok for the x's to repeat, just not the y's
So yes, this is a function.