A defense contractor is starting production on a new missile control system. On the basis of data collected during assembly of the first 9 control systems, the production manager obtained the function below for the rate of labor use. Approximately how many labor-hours will be required to assemble the 10th through 16th control units? [Hint: Let a = 9 and b = 16.] L'(x) = 1,600x 1/2 Set up the definite integral