16. Determine if each graph pictured below represents a function and explain your reasoning.Graph A and B are functions because each x-value is represented only once.Neither Graph A or Graph B are functions because both fail the vertical line test.Graph A is a function because each x-value is represented only once. Graph B is not a function because it does not pass the vertical line test.Graph A is not a function because it does not pass the vertical line test. Graph B is a function because it passes the vertical line test.
