OpenStudy (anonymous):

the range of the following relation: R {(3, -2), (1, 2), (-1, -4), (-1, 2)} is A. {-1, 1, 3} B. {-1, -1, 1, 3} C. {-4, -2, 2, 2} D. {-4, -2, 2}

OpenStudy (midhun.madhu1987):

Range is the set of all second elements in the relation