Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Discover trustworthy solutions to your questions quickly and accurately with help from our dedicated community of experts.
Step-by-step explanation:
Examine the x or input values.
Examine also the y or output values.
If all the input values are different, then the relation becomes a function, and if the values are repeated, the relation is not a function.
hope this helps