College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.1 - Real Numbers - R.1 Assess Your Understanding - Page 15: 19

Answer

{0,1,2,3,5,6,7,8,9}

Work Step by Step

The intersection of A and B (Denoted by A*upside down U*B) is the representation of all elements sets A and B share. So, if the A set is {1,3,4,5,9} and the B set is {2,4,6,7,8}, then the only element shared is {4}. However, because there is a bar over the intersection of A and B, we will find the complement, or all numbers in the Universal set that are not included in the given set. So, if the Universal set is {0,1,2,3,4,5,6,7,8,9} then the complement is all numbers but {4}. So the answer is {0,1,2,3,5,6,7,8,9}.
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