1) Which is not an infinite set? a) {x|x is a counting number greater than 15} b) {x|x is a factor of 36} c) {2, 4, 6,..} d) {x|x is a multiple of 9} 2) What is the cardinality of set A is a counting number less than 10? a) 7 b) 8 c) 9 d) 10 3) Which of the following sets is infinite? a) Set W is a counting number less than 5. b) Set Y is a set of letters in the English alphabet after U. c) Set A is a set of whole numbers between 10 and 15. d) Set S is a set of prime numbers. 4) Which of the following is true? a) The cardinality of an empty set is 1. b) If two sets are equal, then they are equivalent. c) If two sets have exactly the same elements, then they are equal. d) If two sets are equivalent, then they are equal. 5) What operation on sets combines all the elements found in the sets selected? a) Union b) Complement c) Intersection d) Cardinality 6) An instructive way of describing the relationships between sets and elements which are made up of circles that represent the sets. a) Venn Diaphragm b) Venn Euler c) Venn Diagram d) Venn Operations

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