RRB Government Jobs Exams

Find all possible values of x so that the relation
B = {(2, -1), (-1, 0), (-2, 3), (x, -2)} is not a function

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RRB Other Question

Consider the relation A = {(2, -1), (-1, 0), (-2, 3), (-3, -2)}.
Does A represent a function? Explain your answer Consider the line segment PQ with endpoints P(-2, 1) and Q(4, 5).
a. Find the length of segment PQ.