$$A=\{1,2,3,4\},\qquad B=\{3,4,5\}.$$ List $A\cap B$. Shade $A\cap B$. Explain why the region co

Question

$$A=\{1,2,3,4\},\qquad B=\{3,4,5\}.$$ List $A\cap B$. Shade $A\cap B$. Explain why the region containing $2$ must not be shaded.

Accepted Answer

(a) $\{3,4\}$ (b) Shade the overlap only (c) $2\notin B$

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