Posted by **KiKi** on Saturday, March 27, 2010 at 9:15am.

In 1992, the life expectancy of males in a certain country was 73.5 years. In 1996, it was 75.7 years. Let E representthe life expectancy in yeart and let t represent number of years since 1992.

Fill in the linear function E(t) that fits the data

E(t)=____t+____

uses this to prdict the life expectancy of males in 2009

E(17)=____

unsure what to do here I do not get the question.

- math-word problem -
**bobpursley**, Saturday, March 27, 2010 at 9:22am
You are making a linear math model for life expectancy.

slope= (75.7-73.5)/73.5

e(t)=slope*t+b

b will equal 73.5 check that.

- math-word problem -
**KiKi**, Saturday, March 27, 2010 at 9:50am
To find the slope would it then be 75.7-73.5/73.5

so the slope would be 33.4?

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