ALGEBRA

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In 1991, the life expectancy of males in a certain company was 68.2 years. In 1997, it was 70.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991.
1) The linear function E(t) that fits the date is E(t)=____t+____
Round to the nearest tenth
2) Use the function to predict the life expectancy of males in 2007.
E(16)= ________ round to the nearest tenth.

• ALGEBRA -

auren and Andrew left Austin at the same time. Lauren traveled east at an average speed of 50 miles per hour. Andrew traveled west at an average speed of 65 miles per hour. How many hours of driving does it take for the two to be at least 500 miles apart? Write an inequality to model this situation and give the solution rounded to the nearest hundredth. There are directions for how to type math characters in the Resource Center that will show you show to enter your equations.

• ALGEBRA -

nkn

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