Solve the problem.
-Let f(x) compute the time in hours to travel x miles at 60 miles per hour. What is the interpretation of f -1(9)?
A) The miles traveled in 9 hours at 60 miles per hour
B) The hours taken to travel 9 miles at 60 miles per hour
C) The hours taken to travel 60 miles
D) The miles traveled in 60 hours

Question

Quizplus · Accepted Answer

The inverse function $f^{-1}(9)$ finds the input x for the function f(x) that results in an output of 9. Since f(x) computes the time to travel x miles at 60 mph, $f^{-1}(9)$ would find the distance traveled in 9 hours at 60 mph.

Solve the Problem. -Let F(x) Compute the Time in Hours to Travel X