The graph below gives the rate of change r(t) of the volume of oil in a tank in liters per

The graph below gives the rate of change r(t) of the volume of oil in a tank in liters per day t-days after they began monitoring it. The amount of oil on day 0 was 200 liters. When did the oil begin draining from the tank?

Leave a Reply

Your email address will not be published. Required fields are marked *