Posted by **shauna** on Thursday, April 30, 2009 at 1:40pm.

In 1991 the life expectancy of males in a certain country was 73.7 years old, In 19951995 it was 77.4 years. Let E represent the life expectancy in year (t) and let (t) represent the number of years

since 1991 What is the linear function fits the data. Use the function to predict the life expectancy of males in 2008

- Math 117 -
**Reiny**, Thursday, April 30, 2009 at 1:50pm
let 1991 be t=0

then 1991 life exp ---> (0,73.7)

and 1995 life exp ----> (4,77.4)

slope = (77.4 - 73.7)/4 = .925

E(t) = .925t + 73.7

2008 ----> t = 17

E(17) = .925(17) + 73.7 = 89.425

What is the name of that country? Utopia?

- Math 117 -
**Shauna**, Thursday, April 30, 2009 at 3:42pm
Sounds like it doesn't it? I have been working nights and trying to get this assignment done sometimes the simplest thing seems way too hard. I appreciate your help, Shauna

## Answer This Question

## Related Questions

- math - in 1991 the life expectancy of males in a certain country was 73.7 years ...
- Algebra - I'm a bit stuck trying to figure out what this problem wants, can ...
- math - In 1991, the life expectancy of males in a certain country was 70.4 years...
- Algebra - In 1991, the life expectancy of males in a certain country was 72.6 ...
- Algebra - In 1991, the life expectancy of males in a certain country was 70.8 ...
- algebra - in 1991 the life expectancy of males in a certain country was 68.2 ...
- math 116 - In 1991, the life expectancy of males in a certain country was 72.8 ...
- Algebra - In 1991, the life expectancy of males in a certain country was 67.2 ...
- Math 116 - in 1991 the life expectancy of males in certain county was 68.6 years...
- algebra - help someone please: In 1993 teh life expectancy of males in a certain...

More Related Questions