A FUNCTION? Maybe Not?

Dec 2014
154
119
USA
The relation is an ellipse centered at the origin. The resultant graph does not pass the vertical line test.
 
Nov 2019
23
2
NYC
The relation is an ellipse centered at the origin. The resultant graph does not pass the vertical line test.
Does this mean my reasoning is wrong, Mr. Beer?
 

Prove It

MHF Helper
Aug 2008
12,897
5,001
Does this mean my reasoning is wrong, Mr. Beer?
Your logic is correct. A relation is only a function if for every x value, there is only one y value.