(40 points) a 21,000 gallon swimming pool contains 9,000 gallons of water when a hose is placed in the pool and begins adding water at a rate of 1500 gallons per hour. use the segment tool to plot a graph representing the volume of water in the pool over time from when the hose is placed in the pool until the pool is full.(you can just tell me where to plot the points) (40 points)!