SOLUTION: why is 0 the restricted value for the y= 3 - x / x rational expression or function?

Algebra.Com
Question 293519: why is 0 the restricted value for the y= 3 - x / x rational expression or function?
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
The denominator cannot equal zero since division by zero is undefined.

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