Practice problem
What is the intersection of {1,2,3}\{1,2,3\}{1,2,3} and {2,3,8,9}\{2,3,8,9\}{2,3,8,9}?
{1,2,3,8,9}\{1,2,3,8,9\}{1,2,3,8,9}
2,32, 32,3
{2,3}\{2,3\}{2,3}
{1,8,9}\{1, 8, 9\}{1,8,9}
Type a concept, like “slope” or “photosynthesis”.