Posted by **Anonymous** on Monday, September 20, 2010 at 7:08pm.

in 1920 the record for a certain race was 46.4 sec. In 1960 it was 45.6 sec.

Let R(t)=the record in the race and t= the number of years since 1920.

a. find a linear function that fits the data.

b. Use the function in (a) to predict the record in 2003 and in 2006.

c. Find the year when the record will be 44.52 sec

## Answer This Question

## Related Questions

- Algebra 1 - In 1920 the record for a certain race was 45.1 sec. In 1960, it was ...
- algebra - ok i don't get this one in 1920 the record for a certain race was 45.9...
- Algebra 1 - In 1920 the record for a certain race was 45.1 sec. In 1960, it was ...
- math (am i correct) - in 1920 the record for a certain race was 46.9 sec. In ...
- Math - how do I solve this problem. In 1920 the record for a certain race was ...
- math - In 1920, the record for a certain race was 45.5 sec. In 1970, It was 44.5...
- Math 116 - In 1920, the record for a certain race was 45.7 sec. In 1950, it was ...
- math - in 1920 the record for a certain race was 46.9 sec. In 1990 it was 45.5 ...
- Algebra 1 - In 1920 the record for a certain race was 45.1 sec. In 1960, it was ...
- algebra - In 1920 the record for a certain race was 45.4 sec. in 1950, it was 41...

More Related Questions