SOLUTION: Let f(x) compute the time in hours to travel x miles at 31 miles per hour. What does f-1(x) compute?

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Question 662854: Let f(x) compute the time in hours to travel x miles at 31 miles per hour. What does f-1(x) compute?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = x%2F31
y = x%2F31
x = 31y
f%5E-1(x) = 31x
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