Question

Given A = {3, 4, 5, 8, 9}, B = {1, 3, 5, 7, 9, 10}, and C = {3, 4, 6, 8, 10}, find A − B.

{4, 8}
{1, 7, 10}
{3, 5, 9}
{1, 3, 4, 5, 7, 8, 9, 10}

Answer 1

I think it's A since A - B means Set A but not Set B