Is this a function or not?

Miaoyi asked May 22, 2023

81,025 views

34 votes

Miaoyi asked May 22, 2023

3.3k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

18 votes

no! if two points are on top of each other its not a function! it doesnt pass the "vertical line test"

Dostu answered May 27, 2023

by Dostu

3.0k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers