SOLUTION: is there an instnace when linear equation is not a function?
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Question 598144: is there an instnace when linear equation is not a function?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Yes. 
is a linear equation but violates the "one output for any given input" rule. In fact, the solution set for is \,|\,x\ =\ a,\ y\ \in\ \mathbb{R}\right})
, hence for any given value in the domain of the relation, namely 
, you cannot pin down a specific value of 
because can be any real number.
John
My calculator said it, I believe it, that settles it
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