Question

Please help me? (I'm new and don't know how to give medals)


The range of the following relation R {(3, −5), (1, 2), (−1, −4), (−1, 2)} is


A ){−1, 1, 3}
B) {−5, −4, 2}
C) {−1, −1, 1, 3}
D) {−4, −5, 2, 2}

Answer 1

B) {−5, −4, 2}
..............

Answer 2

$\{(3;\fbox{-5});\ (1;\fbox2);\ (-1;\fbox{-4});\ (-1;\fbox2)\}\\\\R=\{-5;-4;\ 2\}\to\fbox{B.}$