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Guest
Guest
I was told to find the inverse of f(x) = 7x, which I did (y = 1/7x).
But then it said to verify that f(f-1(x)) = x and f-1(f(x)) = x. How do you do that?
Thanks!
But then it said to verify that f(f-1(x)) = x and f-1(f(x)) = x. How do you do that?
Thanks!