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 12 integral q(t) dt? t1 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