Let {(x, y) E R² : |x|< 2, |y| < 2, x² + y² > 1}. {(x, y) E R² : 0 < x < y}, {(x, y) E R² : 0 < y <¤ < 1}, U {(7, y) E R² : æ² + y? <1 - }. A B D Which of the following statements are correct? Select one or more: O a. A is closed. O b. A is bounded. O c. A is compact. d. B is closed. O e. B is bounded. O f. Bis compact. g. C is closed. O h. C is bounded. O i. C is compact. j. D is closed. O k. Dis bounded. OI. D is compact.

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