Official 2008 Calculus AB FRQ Discussion

An0maly
Sat, 10 May 2008 08:54:13 +0000

2b “A recovery device arrives on the scene and begins removing oil…where t is the time in minutes since the device began working.”

2c “By the time the recovery device began removing oil, 60,000 cubic centimeters of oil had already leaked”

Basically, the question tells you that t=0 is when the recovery device started working.