Describe the following:
A. neither a function or a relation
B. a function and a relation
C. a relation but not a function
D. a function but not a relation
![Describe the following A neither a function or a relation B a function and a relation C a relation but not a function D a function but not a relation class=](https://us-static.z-dn.net/files/d4e/f41429952ed35ea604f2eb8b2e36461b.png)