9
lesson pretestMultiple Choice

Pretest

Question 9 • Mathematics II

The universal set is the set of rational numbers. cap s is the set of integers. Which represents cap s to the c th power ?

Answer
A
start set x such that x is A rational non-integer end set
B
start set x such that x is A real number end set
C
start set x such that x is A rational positive number end set
D
start set x such that x is A rational number end set

Explanation

The complement of S contains the elements of the universal set that are not in S. Since the universal set is the rational numbers and S is the integers, Sᶜ is the set of rational numbers that are not integers. This matches “rational non-integer.”

AI-written and checked against the verified answer.

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