4. Write the recurrence relation for the reverse(L) function: append(x, L) { Node curr = L; while(curr != null && curr.next != null) { curr - curr.next; } curr.next = x; (} reverse(L){ if(L == null) { return null; } else { Node front = L; Node rest - L.next; L.next = null; Node restReversed reverse(rest); append (font, restReversed); }

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A: Here is the explanation regarding the code:

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Predicates

A predicate is a function defined with set of variables, which returns the result True or False. The output of a predicate is a Boolean value as a response when given a set of parameters: