91Ó°ÊÓ

Let \(U=\\{1,2,3,4, \ldots, 20\\}\), \(A=\\{1,2,3,4,5\\}, B=\\{6,7,8,9\\}\) \(C=\\{1,3,5,7, \ldots, 19\\}\), and \(D=\\{2,4,6,8, \ldots, 20\\}\). Use the roster method to write each of the following sets. \(B^{\prime}\)

Write \(\subseteq\) or \(\nsubseteq\) in each blank so that the resulting statement is true. \(\\{\mathrm{r}, \mathrm{e}, \mathrm{v}, \mathrm{o}, \mathrm{l}, \mathrm{u}, \mathrm{t}, \mathrm{i}, \mathrm{o}, \mathrm{n}\\}\) ___ \(\\{\mathrm{t}, \mathrm{o}, \mathrm{l}, \mathrm{o}, \mathrm{v}, \mathrm{e}, \mathrm{r}, \mathrm{u}, \mathrm{i}, \mathrm{n}\\}\)

Write a word description of each set. (More than one correct description may be possible.) \\{April, August \(\\}\) 11\. \(\\{6,7,8,9, \ldots\\}\)

Write \(\subseteq\) or \(\nsubseteq\) in each blank so that the resulting statement is true. \(\left\\{\frac{4}{7}, \frac{9}{13}\right\\}\) ___ \(\left\\{\frac{7}{4}, \frac{13}{9}\right\\}\)

Let $$ \begin{aligned} U &=\\{1,2,3,4,5,6,7\\} \\ A &=\\{1,3,5,7\\} \\ B &=\\{1,2,3\\} \\ C &=\\{2,3,4,5,6\\} \end{aligned} $$ Find each of the following sets. \((A \cup B)^{\prime} \cap C\)

Let \(U=\\{1,2,3,4, \ldots, 20\\}\), \(A=\\{1,2,3,4,5\\}, B=\\{6,7,8,9\\}\) \(C=\\{1,3,5,7, \ldots, 19\\}\), and \(D=\\{2,4,6,8, \ldots, 20\\}\). Use the roster method to write each of the following sets. \(C^{\prime}\)

Write a word description of each set. (More than one correct description may be possible.) \(\\{6,7,8,9, \ldots\\}\)

Let \(U=\\{1,2,3,4, \ldots, 20\\}\), \(A=\\{1,2,3,4,5\\}, B=\\{6,7,8,9\\}\) \(C=\\{1,3,5,7, \ldots, 19\\}\), and \(D=\\{2,4,6,8, \ldots, 20\\}\). Use the roster method to write each of the following sets. \(D^{\prime}\)

Write a word description of each set. (More than one correct description may be possible.) \(\\{9,10,11,12, \ldots\\}\)

Write \(\subseteq\) or \(\nsubseteq\) in each blank so that the resulting statement is true. \(\left\\{\frac{1}{2}, \frac{1}{3}\right\\}\) ___ \(\\{2,3,5\\}\)