The demand D for a new rollerball pen is given by D 0 007p 0

Last updated: 11/16/2023

The demand D for a new rollerball pen is given by D 0 007p 0 4p 120p where p is the price in dollars a Find the rate of change of quantity with respect to price dD dp b How many units will consumers want to buy when the price is 25 per unit c Find the rate of change at p 25 and interpret this result d Would you expect dD dp to be positive or negative