As Part of a Quality-Control Program, the Chess Sets Manufactured

Multiple Choice

As part of a quality-control program, the chess sets manufactured by Jones Brothers are subjected to a final inspection before packing. The rate of increase in the number of sets checked per hour by an inspector t hours into the 8 A.M. to 12 noon morning shift is approximately How many sets does the average inspector check during a morning shift? (Hint: N(0) = 0.)

A) 237 sets
B) 255 sets
C) 251 sets
D) 248 sets