Question

Can you help me match the equivalents
{3,♾️)
(3,♾️)
(-♾️,3)
(-♾️,♾️)

Answers are
{ x|3<x<♾️}
{x|x€R}
{x|3< or = to x<♾️}
{x|-♾️<x<3}

Answer 1

{3,♾️) = { x|3<x<♾️}
(3,♾️) = { x|3< or = to x<♾️}
(-♾️,3) = {x|-♾️<x<3}
(-♾️,♾️) = {x|x€R}