The number of E.coli bacteria cells in a pond of stagnant water can be represented by the function below, where A represents the number of E.coli bacteria cells per 100 mL of water and t represents the time, in years, that has elapsed.
A(t)=136(1.123)^4t
Based on the model, by approximately what percent does the number of E.coli bacteria cells increase each year?
A.
60%
B.
59%
C.
41%
D.
40%