Express the following sets as either an interval, a union of intervals, a finite set, or the empty set. Note: in this course, the natural numbers N start at zero.e No justification required for this question. (i) S = {z €R: 3y E [4, 00) such that I>y}. (ii) T = {1 ER : r -7 <0}. (iii) U = {z €N : r³-I<0}. (iv) W = {r€Z : Vn e Z, 1 = 2n + 1}.

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