A. does the graph display a linear function? why or why not? explain your answer. b. lamar saw the graph above on his math test. he told his math teacher that the domain of this relation is [-2,3]. his teacher said he was incorrect. why is lamar incorrect? c. what is the correct domain of lamar's graph in interval notation? d. lamar's teacher extended the graph as shown below and asked lamar to with the function for the graph shown below using f (x) for the function name.