Neil took 3 math tests this year. The number of hours he spent studying for each test and the corresponding grades he earned are shown in the table. Is the relation of hours of study time to grade earned on a tae a function? Explain why. Use the graph to justify your answer.

Neil took 3 math tests this year The number of hours he spent studying for each test and the corresponding grades he earned are shown in the table Is the relati class=