In 1992, the life expectancy of males in a certain country was 71.1 years. In 1997, it was 73.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1992.

Question

The linear function E(t) that fits the data is E(t)=___?t+__?(Round to the nearest tenth)

Use the function to also predict the life expectancy of males in 2003.
E(11)=___?(Round to the nearest tenth)

Answer 1

here is the method. Put your numbers in:

http://www.jiskha.com/display.cgi?id=1294619397