Find the cardinal number for the set C={x|x is an integer that's greater than 3 and less than or equal to 7}.

Answer 1

x>3

x<7

3<x<7

x = 4,5,6 and 7, any of those 4 integers

the cardinality is 4. the answer is a set with 4 elements

the cardinal number of a set is how many elements are in it