Question

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

Answer 1

$\bf \{(3,\stackrel{\downarrow }{-5}),(1,\stackrel{\downarrow }{2}),(-1,\stackrel{\downarrow }{-4}),(-1,\stackrel{\downarrow }{2})\} \qquad \qquad \stackrel{\textit{the range is always the y-coordinates}}{\{-5,2,-4\}}$