Let U be the universal set, where: U = {1, 2, 3, 4, 5, 6, 7, 8, 9} Let sets A and B be subsets of U, where: A = {1, 3, 4, 8, 9} and B = {2, 4, 7, 8} Find (A U B)°: { } Find A° N B°: { Enter the...

Extracted text: Let U be the universal set, where: U = {1, 2, 3, 4, 5, 6, 7, 8, 9} Let sets A and B be subsets of U, where: A = {1, 3, 4, 8, 9} and B = {2, 4, 7, 8} Find (A U B)°: { } Find A° N B°: { Enter the elements as a list, separated by commas with no spaces, in order from smallest to largest. If the result is the empty set, enter DNE