The relation R defined on the set A = {1, 2, 3, 4, 5} by R = {(x, y) : |{x^2} - {y^2}| < 16} is given by a) {(1, 1), (2, 1), (3, 1), (4, 1), (2, 3)} b) {(2, 2), (3, 2), (4, 2), (2, 4)} c) {(3, 3), (3, 4), (5, 4), (4, 3), ( ...
In a certain town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car. 2000 families own both a car and a phone. Consider the following statements in this regard: 1.10% families own both a c ...
