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12 questions
Which of the following statements is FALSE?
b∈{b, g, 5, 8, 12 }
x∈/{b, g, 5, 8, 12}
3∈{b, g, 5, 8, 12}
6∈/{b, g, 5, 8, 12}
Which of the following sets is empty?
{x | x is an even number between 3 and 5}
{x∈Z : x2=5}
{x ∈Z: x=0 ∨ x=−5}
{x | x is a natural number divisible by 2}
Let C={−3, −2, −1, 0, 1, 2, 3} . Which of the following describe C in set-builder notation.
C={x∈Z : x2≤9}
C={x∈Z : x≤3}
C={x∈Z: −3<x<3 }
C={x∈Z : x+1=3}
Select ALL of the following which are elements of the set F={x∈Z : −4<x≤7} .
−4
0
6
10
True
False
True
False
True
False
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