At present, a firm is manufacturing 2000 items. It
is estimated that the rate of change of production
P w.r.t. additional number of workers x is given
by
dp/dx = 100 – 12 sqrtx . If the firm employs 25
more workers, then the new level of production of
items is -
(1) 3500 (2) 4500 (3) 2500 (4) 3000