Question: Consider the observation in the second paragraph that every b, is an upper bound for A [Line 5]. Which one of the following is

Consider the observation in the second paragraph that every b, is an

Consider the observation in the second paragraph that every b, is an upper bound for A [Line 5]. Which one of the following is a direct consequence of this observation? Please select the best option. (a) x is a least upper bound for A. (b) x b, for every n N. (c) x In for neN. (d) [an, bn] is a closed interval.

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