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December 21, 2014

December 21, 2014

Posted by **Kris** on Saturday, October 27, 2012 at 7:50pm.

Men's U.S.

shoe size, Men's European

shoe size

8 41

9 42

10 43

11 45

12 46

13 47

(b) Find f(13).

(c) Find f −1(42), if possible. (If an answer does not exist, enter DNE.)

(d) Find f(f −1(43)).

(e) Find f −1(f(8)).

- Alegbra -
**Reiny**, Saturday, October 27, 2012 at 11:04pmI don't understand what problem you are having with these, the answers are just staring at you

e.g. f(13) = 47

etc

and remember that f(f^-1 (x) ) = f^-1 (f(x)) = x

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