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# David and Josh are both practicing for an upcoming swim tournament. Every week, David swims for 3x hours at an average speed of x laps per hour. Josh swims 5 more hours per week than David, but at an

David and Josh are both practicing for an upcoming swim tournament. Every week, David swims for 3x hours at an average speed of x laps per hour. Josh swims 5 more hours per week than David, but at an average speed that is 4 laps per hour less than David's average speed. Which of the following functions will give the total distance, in laps, that Josh swims each week? f(x) = 3x2 - 17x + 20 f(x) = 3x2 + 7x - 20 f(x) = 3x2 - 7x - 20 f(x) = 3x2 + 17x + 20