I'm currently revising for an A.I exam and so am spending some time going through some past exam papers to try and work out the kind of questions which are likely to come up. One of the questions from last year's paper has me completely stuck though :o( I have read through the lecture notes, and the relevant chapter in the textbook but still cannot make any sense of it. The question is number 3 on the following paper :-
Please, if any could explain how this works I would be immensely grateful, i've been struggling with it all day to no avail!
Thanks in advance