The Maximum Length of a Certain Type of Fish Is $D = 60.8 \times 0.81 ^ {t }$

Multiple Choice

The maximum length of a certain type of fish is 64 centimeters. The difference between the maximum length and the length at age years is given by $D = 60.8 \times 0.81 ^ {t }$ centimeters. Write a formu-
La that gives the length L , in centimeters, of the fish at age years.

A) $L = 64 + 60.8 \times 0.81 ^ { t}$
B) $L = 64 - 60.8 \times 0.81 ^ { t}$
C) $L = 64 \times 60.8 \times 0.81 ^ {t }$
D) $L = 60.8 \times 0.81 ^ { t } - 64$