Question

In 1990, the population of blue whales in the world is approximately 3200. Let F ( t ) be the approximate population of blue whales in the world after t years from 1990( t = 0 corresponds to 1990), defined as F ( t ) = 3200 e − 0.15 t . In which year will the population of blue whales approximately be 160

Answer 1

Answer:

The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whale parvorder Mysticeti. Reaching a maximum confirmed length of 29.9 metres (98 ft) and weighing up to 199 tonnes (196 long tons; 219 short tons), it is the largest animal known to have existed. The blue whale's long and slender body can be various shades of greyish-blue dorsally and somewhat lighter underneath.