SOLUTION: How to determine where a rela tion is a function

SOLUTION: How to determine where a rela tion is a function

Algebra.Com

Question 347033: How to determine where a rela
tion is a function
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the vertical line test.
If you graph the function and draw a vertical line anywhere there should only at most one intersection between the function and the vertical line.
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