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Sets and Venn Diagrams — Quiz Answers

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cap s is a subset within a universal set, cap u If cap s is equal to x comma y comma 4 comma 9 comma ? , which could describe cap u ?

A
cap u cap u is equal to punctuation marks
B
cap u cap u is equal to keys on a keyboard
C
cap u cap u is equal to letters
D
cap u cap u is equal to numbers
3

Consider cap u is equal to x divides x is A negative real number Which is an empty set?

A
start set x such that x is in cap u and x is equal to the sum of one negative and one positive number end set
B
start set x such that x is in cap u and x has A negative square root end set
C
start set x such that x is in cap u and x is equal to the product of A positive number and minus 1 end set
D
start set x such that x is in cap u and x has A negative cube root end set
4

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 ?

A
start set x such that x is A rational number end set
B
start set x such that x is A rational non-integer end set
C
start set x such that x is A real number end set
D
start set x such that x is A rational positive number end set
10

If the set cap u is equal to all positive integers and set cap A is equal to x divides x is in the union of and x is an odd positive integer , which describes the complement of set cap A , cap A to the c th power ?

A
cap A to the c th power is equal to x divides x is in the union of and is an even positive integer
B
cap A to the c th power is equal to x divides x is in the union of and is zero
C
cap A to the c th power is equal to x divides x is in the union of and is not an integer
D
cap A to the c th power is equal to x divides x is in the union of and is A negative integer

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