HELP PLEASE Which of these mappings is a function?
![HELP PLEASE Which of these mappings is a function class=](https://us-static.z-dn.net/files/d7d/66377de9c31f5d930ad6dd1b5d1cb71a.png)
Answer:
B; x is the one that's a function because for every input there is one output. for all the other ones a x-value has two y-values and that's not function.
Step-by-step explanation: