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Find the year when the record will be 44.62 sec

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Reference no: EM131123538

In 1920, the record for a certain race was 46.6 sec. In 1960, it was 45.8 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?

c) to predict the record in 2003 and in 2006. ?

d) Find the year when the record will be 44.62 sec.

Reference no: EM131123538

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