is this a function graph?

Answer:
No, this is a relation
Step-by-step explanation:
You can do a vertical line test to see if a function is actually a function or not. Simply draw vertical lines over the graph
If the x-value has 2 or more y values then it is NOT A FUNCTION
Answer:
No! This is not a function.
Step-by-step explanation:
If you write a vertical line through the graph, it will cross through it twice. That means it's NOT a function graph.