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2 February, 16:18

The winning time for the men's 400-meter race in each of the Olympic Games from 1976 to 1996 can be modeled by the equation y = - 0.054x 44.54, where x is the number of years after 1976 and y is the winning time in seconds. If the relationship continues, which equation could be used to predict the winning time in the year 2020?

A. y = - 0.054 (1976) 44.54

B. y = - 0.054 (2020) 44.54

C. y = - 0.054 (24) 44.54

D. y = - 0.054 (44) 44.54

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  1. 2 February, 16:20
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    D. y = - 0.054 (44) 44.54 because the years 1976 and 1996 are 20 years apart, that would be the original X, but it asks for the year 2020 which is 44 years from 1976, so plug 44 in for x and it will be right.; )
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