2. Water leak from a tank at a rate of 5 + 3t2 liters/hour (L/h), where t is the number of hours after 7am. How much water is lost between noon and 1 pm? 3. (a) The number of cars pre hour passing a observation point along a highway is called the traffic flow rate q(t) (in cars per hour). What quantity is represented by the integral q(t) dt? (b) A factory produces bicycles at a rate of 95 + 3t2 - t bicycles per week (where t is in weeks). What quantity is represented by the integral 95 + 3t2 - t dt? 2