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3 - Units for the Definite Integral LEARNING OBJECTIVE: Use the various interpretations of the definite integral to solve problems of oreo, distance, and accumulation. Shown below is the graph of the flow rate /(i) of a pipe. in gallons per minute. Here, ! = the number of minutes. Using this information. find J f(1) di. which gives the total number of gallons of water that flowed through this pipe in 8 minutes. y 4 Gallons/Minute 3 2 0 2 3 4 5 6 7 8 X Minutes X o " J. AD at = 25.5 gallons o by) [ FD) at - 30 gallons [ 1(D) at - 32.5 gallons O J. f() at = 27.5 gallons