Problem 3: The graph below represents the amount of water, W, in gallons in a small swimming pool after a certain number of hours, t. 1800 1600 1400 1200 1000 800

600 400 200 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 a. Evaluate W (3.5). Interpret its meaning and include appropriate units. b. Determine the domain of the function W and explain what it represents. c. Determine the range of the function W and explain what it represents. 0