Consider f : Z?Z, f(n) = n + 1 and g : Z ? Z, g(n) = n What is g ? f? What is f ? g?
Added by Hannah M.
Step 1
This means we need to apply g to the output of f. So, g ? f(n) = g(f(n)) = g(n + 1) = n + 1. Show more…
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