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University maths placement test multiple choice question plz help

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mdwael:
http://www.youtube.com/watch?v=C1DXvfXLj98

In this video I show 3 of the questions which I am familiar with.. but I have no clue which of the 4 answers to pick because all of them look weird.. I am perfectly fine in inequalities I did a full A level maths course but this is just weird.. Can someone mind checking and telling me which is the correct answer?

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