Practice problem
Which of these is a set in roster form?
{all numbers that are not 555 or 666}
1,2,3,4,5,6,71,2,3,4,5,6,71,2,3,4,5,6,7
{dog, 666, π\piπ, YYY}
Type a concept, like “slope” or “photosynthesis”.
