SOLUTION: In 1991, the life expectancy of males in a certain country was 61.5 years. In 1995, it was 64.4 years. Let E represent the life expectancy in year t and let t represent the numbe
Algebra ->
Rational-functions
-> SOLUTION: In 1991, the life expectancy of males in a certain country was 61.5 years. In 1995, it was 64.4 years. Let E represent the life expectancy in year t and let t represent the numbe
Log On
Question 554238: In 1991, the life expectancy of males in a certain country was 61.5 years. In 1995, it was 64.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991. The linear function E(t) that fits the data is? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! A linear function means it is a straight line
Plot on the horizontal axis
Plot on the vertical axis
You are given the points:
( 0,61.5 ) and
( 4,64.4 )
--------
Use the point-slope formula:
Multiply both sides by
check answer:
and
OK
