The graph shows a 10,000 gallon pool being emptied. On the y axis (gallons of water) of the graph it begins with 1,000, 2,000, 3,000, 4,000, 5,000, 6,000, 7,000, 8,000, 9,000, 10,000 on the x axis (hours) it begins with 0, 1, 2, 3, 4, ,5 6, 7, 8, 9, 10. The line begin declining at 10,000, stopping at the 5,000 on the y axis and over the 4 on the x axis. How many gallons are being emptied per hour?
