SOLUTION: In 1920, the record for a certain race was 45.7 sec. In 1980, it was 43.9 sec. Let R(t)= the record in the race and t= the number of years since 1920. Solve.
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Question 293047: In 1920, the record for a certain race was 45.7 sec. In 1980, it was 43.9 sec. Let R(t)= the record in the race and t= the number of years since 1920. Solve. Answer by richwmiller(17219) (Show Source):
