Question

The words are: functionrelationvertical line testX valueY value Correspond or corresponds Open circle Closed circleDomain Range

Answer 1

The graph is not a function.

Here's why.

The graph is not a function because the domain 6 corresponds to two range that are 3 and 4 indicated by the closed circle. Applying vertical line test, the line will hit two y-values 3 and 4. Instead, what we have here is an example of a graph of a one-to-many relation.