After Julia has driven for a quarter of an hour, she was 170 miles east from Denver. After driving for 3 hours, she was only 100 miles east from Denver. Assume that Julia drove at a constant speed during the trip. Let f  be a function that gives Julia’s position east from Denver (measured in miles) after having driven for t hours.  Determine a rule for f^(―1) .  Construct a graph for f^(―1) .

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