minutes needed to add each gallon of water in the pool
The X-axis is the time and the Y-axis is the gallons. Y is the one being influenced by X. So, the amount of gallons in the pool is being influenced by the amount of time.
The graph for Pool A shows the gallons of water filling the pool as a function of time. The graph for Pool B shows the rate of filling the pool as a function of time.
Use the drop-down menus to complete the statements below about the two pools.