If V = {0, 1, 2}. Describe all functions T: V --> V for which T(V) = V. There are six of them. Indicate which ones are one to one and give their inverses.

So I believe something like T1(0) = 0, T2(1) = 1 and T3(2) = 2 will be the first three functions? How would you get the other three functions?