Is this a function?
Explain your thinking.
![Is this a function Explain your thinking class=](https://us-static.z-dn.net/files/d98/5829d957b119b8b23ad23b4ddc0ccfd4.png)
Step-by-step explanation:
You can tell whether a relation is a function by plotting the numbers on a graph and applying the vertical line test. If no vertical line passing through the graph intersects it at more than one point, the relation is a function.