Set-builder notation is often more versatile and efficient
Chapter 2, Problem 2.1.85(choose chapter or problem)
Set-builder notation is often more versatile and efficient than listing a set in roster form. This versatility is illustrated with the following two sets. A = 5x x N and x 7 26 B = 5x x 7 26 a) Write a description of set A and set B. b) Explain the difference between set A and set B. (Hint: Is 4 1 2 A? Is 4 1 2 B?) c) Write set A in roster form. d) Can set B be written in roster form? Explain your answer. 86.
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