Pretest
Have a go before we teach it — wrong is fine, and it helps.
Let U={-2,0,2,4,6} and B={0,4}. Which set is relative to U?
Pretest
Have a go before we teach it — wrong is fine, and it helps.
Let U={-2,0,2,4,6} and B={0,4}. Which set is relative to U?