+96 . Carina’s water tank starts with 250 gallons of water at noon. Water is leaking out of the tank at a constant rate of 5 gallons per hour. She draws a graph where x represents the number of hours since noon and y represents the number of gallons of water in her tank.
(a) Explain why this graph is linear.
(b) What is the slope of the line?
(c) What are the two intercepts of this graph, and what does each mean?
