Question

Which of the following is equivalent to the set {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday}?

(you may select more than one)

Question 4 options:

x is one of the seven wonders of the ancient world

x is one of the six nobel prize categories

x

{x | x is a letter of the alphabet

x

x

Answer 1

The answer is: x is a day of the week

Explanation:

The mathematical expression x is a day of the week, uses set theory notation and can be translated as: The set of all x such that x is a day of the week. Since the original set contains all days of the week, therefore it is equivalent to the expression x .