Question 440160
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Hi

In 1920 the record for a certain race was 45.1 sec
In, 1980, it was 4303 sec.
 (1980,4303)
 (1920, 45.1)   m = 4257.9 / 60 = 70.965
 R(t) = 70.965t + 45.1 where t= the number of years since 1920.