Respuesta :
A set is a mathematical model for a collection of items. The set that represents S∩(P∪Q) is {4, 11, 12}.
What is a set?
A set is a mathematical model for a collection of items; it comprises elements or members, which may be any mathematical object: numbers, symbols, points in space, lines, other geometrical structures, variables, or even other sets.
The meaning of P∪Q is that the set will contain all the elements of both the set P and Q. Therefore,
P∪Q = { 4, 6, 7, 11, 12, 15, 20}
The meaning of S∩(P∪Q) is that the set will contain only those number that is common between S and (P∪Q). Therefore,
S∩(P∪Q) = {4, 11, 12}
Hence, the set that represents S∩(P∪Q) is {4, 11, 12}.
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