3 points:Suppose a children's swimming pool is filled with 34 gallons of water, but it has a small leak and loses 1.3 gallons of water per hour.a) Write a function, W(t), to represent the amount of water in the pool W (in gallons) as a function of time t (in hours).b) Suppose that the leak is repaired after 6 hours. Identify the restricted domain and range using any desired notation.