Question: Let A = { u , v } and B = { x , y , z } , and let f : A BlongrightarrowA

Let A={u,v} and B={x,y,z}, and let f:ABlongrightarrowA be a function.
(a) What is the set AB? How many elements are in AB?
(b) What are the domain and codomain (i.e. range) of the function f?
Let A={u,v} and B={x,y,z}, and let f:ABlongrightarrowA be a function. (a)

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