Question: Please see image for question on defining intervals using set theoretic operations. This is from a problem set for ECMT3160 Statistical Modelling. I have no
Please see image for question on defining intervals using set theoretic operations. This is from a problem set for ECMT3160 Statistical Modelling. I have no idea how to approach this question and how long the answer should be. Thanks!

1. Explain how intervals of the form (-oo, a] can be used to define intervals such as {a}, (a, b), [a, b), (a, b], [a, too), using set theoretic operations
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