Posted by **PJ** on Friday, November 7, 2008 at 6:26pm.

In 1920, the record for a certain race was 46.6 sec. In 1990, it was 45.9 sec. Let R(t)=therecord 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 45.7 sec.

Find a linear function that fits the data.

R(t)=

## Answer This Question

## Related Questions

- math (am i correct) - in 1920 the record for a certain race was 46.9 sec. In ...
- math - in 1920 the record for a certain race was 46.4 sec. In 1960 it was 45.6 ...
- 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 45.8 sec. In 1980, it was...
- 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 46.6 sec. In 1950 it was 46.0 ...
- math - someone plz help me.... In 1920 the record for a certain race was 46.6 ...
- Math 116 - In 1920, the record for a certain race was 45.7 sec. In 1950, it was ...
- math plz help - someone plz help me.... In 1920 the record for a certain race ...
- Math - In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4...

More Related Questions