Question: Problem 9 Let f : X > X be a function such that f o f o f = f. Show that if f is

Problem 9 Let f : X > X be a function

Problem 9 Let f : X > X be a function such that f o f o f = f. Show that if f is injective then f o f (as) = m for all :13 E X. Conclude that f is surjective

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Problem 9 Let f : X > X be a function such that f o f o f = f. Show that if f is injective then f o f (as) = m for all :13 E X. Conclude that f is surjective

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