'Prove that (f-1)-1 = f.'
Added by Charles W.
Step 1
(f-1)-1 can be rewritten as (f^-1)^-1, where f^-1 represents the inverse of f. Now, we know that the inverse of a function undoes the effect of the function. So, if we apply f^-1 to f, we get the original input back. In other words, f^-1(f(x)) = x for all Show more…
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