Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 2x - 7 y > underlined -1/2 x + 3 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (3,-7) included in the solution area for the system? justify your answer mathematically. (4 points)