- No In Problems 19 22 We Use The Usual Notation For Intervals Of Real Numbers A B For The Open Interval X A X B 1 (29.86 KiB) Viewed 40 times
NO In Problems 19-22, we use the usual notation for intervals of real numbers: (a, b) for the open interval {x|a
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NO In Problems 19-22, we use the usual notation for intervals of real numbers: (a, b) for the open interval {x|a
NO In Problems 19-22, we use the usual notation for intervals of real numbers: (a, b) for the open interval {x|a<x<b}, (a, b] for the half-open interval {x|a< x≤ b), [a, b] for the closed interval {x|a ≤ x ≤ b}, [a, co) for the unbounded interval (x/a ≤ x), and so on. The answer to each question should be an interval, a singleton set, or the empty set. 19. Find: (a) [i-1, i) (b) [i-1, i)
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