Below are descriptions of four situations in which the volume of water in a tank is a function of time. Which of these description matches the graph shown? Screen Shot Group of answer choices An empty 20-gallon water tank is filled at a constant rate for 3 minutes until it is half full. Then, it is emptied at a constant rate for 3 minutes. A full 10-gallon water tank is drained for 30 seconds, until it is half full. Afterwards, it gets refilled. A 2,000-gallon water tank starts out empty. It is being filled for 5 hours, slowly at first, and faster later. An empty 100-gallon water tank is filled in 50 minutes. Then, a dog jumps in and splashes around for 10 minutes, letting 7 gallons of water out. The tank is refilled