1. Which of the following is a - well defined set
A: the set of happy people
B: the set of good teachers
C: the set of enjoyable subjects
D: the set of philippine presidents
2. which of the following is an infinite set
A: {a, b, c, d, e}
B: {2,4,6,8,..., 800}
C: (xlx is an integer between -60 and 80)
D: {xlx is a whole number greater than 20}
A: the set of happy people
B: the set of good teachers
C: the set of enjoyable subjects
D: the set of philippine presidents
2. which of the following is an infinite set
A: {a, b, c, d, e}
B: {2,4,6,8,..., 800}
C: (xlx is an integer between -60 and 80)
D: {xlx is a whole number greater than 20}
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Answer:
A set is well-defined if there is no ambiguity as to whether or not an object belongs to it, i.e., a set is defined so that we can always tell what is and what is not a member of the set. Example: C = {red, blue, yellow, green, purple} is well-defined since it is clear what is in the set.
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Answer:
1. Which of the following is a well defined set?
D. the set of philippine presidents
2. Which of the following is an infinite set?
D. {x l x is a whole number greater than 20}