Let f: {1, 2, 3, 4, 5} → {1, 2, 3, 4, 5, 6} be a function.
(a) How many total functions are there?
(b) How many of these functions are one-to-one?

Name: Let f: {1, 2, 3, 4, 5} → {1, 2, 3, 4, 5, 6} be a function. (a) How many total functions are there? (b) How many of these functions are one-to-one?
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The Answer of Let f: {1, 2, 3, 4, 5} → {1, 2, 3, 4, 5, 6} be a function.
(a) How many total functions are there?
(b) How many of these functions are one-to-one?

Let F: {1, 2, 3, 4, 5} → {1, 2