Consider the universal set R, define the interval A = [-7, 1], interval B = (-1,2), and C be the negative real numbers. Complete the following exercises in interval notation. Use capital u, "U", for union and "inf" for infinity. 1. AUB= 2. An BnC= 3. An (BUC) = 4. AU BUCC= 5. (CA) U (B-C) = Note: You may write the empty set as "EmptySet".

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