Question: The function s(x)equals=StartFraction 3600 Over 60 plus x EndFraction equals 3600 left parenthesis 60 plus x right parenthesis Superscript negative 1360060+x=3600(60+x)1gives a person's average speed

The function s(x)equals=StartFraction 3600 Over 60 plus x EndFraction equals 3600 left parenthesis 60 plus x right parenthesis Superscript negative 1360060+x=3600(60+x)1gives a person's average speed in miles per hour if he or she travels one mile in 60plus+xseconds. Use a linear approximation to s at 0 to find a person's approximate average speed if he or she travels one mile in 5151seconds. What is his or her exact speed?

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