A vat contains 20 gallons of liquid when a drain pipe opens and the liquid begins to leave the vat at a rate of 5 gallons per hour.

Use the Line tool to graph the amount of liquid remaining in the vat at any hour, x.

A vat contains 20 gallons of liquid when a drain pipe opens and the liquid begins to leave the vat at a rate of 5 gallons per hour Use the Line tool to graph th class=