A car dealership uses a linear model to relate the number of cars a salesperson sells to the amount of money the salesperson earns. A car salesperson has a base pay of $1,000 each month and is paid an additional $250 for each car sold. Graph the function that models the relationship between the number of cars the salesperson sells in a month, n, and the total amount of money she is paid that month, P(n). Select points on the graph to plot them.
