if p = {-3<x<1} and Q = {-1<x<3}, where x is a real number, find P n Q.

  • A 0
  • B -3, -2, -1, 0 and 1
  • C -2, -1 and 0
  • D -1, 0 and 1

The correct answer is A. 0

p = {-3<x<1} = {-2,-1 and 0}

Q = {-1<x<3} = {0,1 and 2}

P n Q = {0} or  {-1<x<1}

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