Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x ? N and 13 ? x ? 22}
A. n(A) = 10
B. n(A) = 36
C. n(A) = 35
D. n(A) = 8
Answer: A
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A. 
?
B. 24?
C. 
?
D. 4?
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