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Mathematics 19 Online
OpenStudy (anonymous):

REALLY NEED HELP!!!

OpenStudy (anonymous):

In a bike race, a rider covers a 5-mi flat stretch of road at a speed of s mi/h. She then doubles her speed down a hill 1 mi long. Finally, she reduces her downhill speed by 12 mi/h as she rides the last 3 mi of the race. What function gives the time t it takes the rider to finish the race in terms of s?

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