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: .)

A) 196 sets
B) 185 sets
C) 193 sets
D) 189 sets