MATHEMATICS · Single correct · AP · Calculus AB · Differential Equations · Differential Equations
Problem
5. Moss is growing on a stone at an exponential rate, where the rate of growth is proportional to the amount at the time t. If there are 16cm2 of moss on June 1, and 60cm2 on July 1 ( 30 days later), to the nearest square centimeter, how much will there be on September 1 ( 92 days later)?
(A) 151
(B) 921
(C) 3601
(D) 9601