SOLUTION: If f(x) = 5x, what is f–1(x)

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Question 1059199: If f(x) = 5x, what is f–1(x)
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Note that +f%5E-1%28x%29+ means inverse function (not 1/f(x))
let's say y = f(x) = 5x
Then +f%5E-1%28x%29+ means "find x in terms of y"
So:
+x+=+y%2F5+
+f%5E-1%28x%29+=+y%2F5+=+f%28x%29%2F5+