Choose the one alternative that best completes the statement or answers the question.
Solve the problem.
-Let $\mathrm { f } ( \mathrm { x } )$ compute the time in hours to travel $x$ miles at 36 miles per hour. What is the interpretation the solution of $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = 8$ ?
A) The hours taken to travel 8 miles
B) The miles traveled in 8 hours
C) The hours taken to travel 36 miles
D) The miles traveled in 36 hours

Question

Quizplus · Accepted Answer

The solution of $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = 8$ represents finding the input $x$ that results in an output of 8 hours in the original function $f(x)$, which calculates time to travel $x$ miles at 36 miles per hour. Therefore, it means finding the distance traveled in 8 hours at that speed.

Choose the One Alternative That Best Completes the Statement or Answers