Question

The population in certain country is growing at the rate of 7 % a year . If the population in the year 1995 was 190 million, (a)determine an exponential expression representing the population as a function of the year. (b) What will the population be in 2005 ? (c) What was the population in the 1999?

Answer 1

if t is the number of years since 1995, and p(t) is in millions, then

p(t) = 190*1.07^t