A local factory employs machinists to work on its gidget ass

A local factory employs machinists to work on its gidget assembly line. The machinist’s productivity is shown by the functionP(m) = -16m2 + 128m + 172where m represents the number of machinists and P(m) represents their hourly output of gidgets. A graph of the function is shown below.[img src=’https://app32.studyisland.com/pics/95004q1.png’>At what number of machinists is productivity maximized, and what is their hourly output at that point?