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Mathematics 10 Online
OpenStudy (anonymous):

13. The time to complete a race (in seconds) is a function of the speed of the runner (in miles per hour). This function is written . Which is true about this function? Answer Choices: T(45) is the speed of a person who finishes the race in 45 seconds. T(7) is the amount of time it takes to finish the race if a person runs 7 miles per hour. T(11) is the speed of a person running 11 miles per hour.

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