In 1995 the life expectancy of a male in a certain country was 70.98 years. In 2002 it was 73.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1995.
The liner function R(t) that fits the data E(t)= _t+_
round to the nearet 10th
Use the function to predict life expectancy in 2005
R(10)
round to the nearst 10th