A = {d,f,h,j,k}
 B = {d,g,i,j,m}
$\displaystyle {A}\cup{B}$ = { } $\displaystyle {A}\cap{B}$ = { } $\displaystyle \overline{{{A}\cap{B}}}$ = { } $\displaystyle {i}\in$ Select an answer A B both A and B $\displaystyle {\left\lbrace{f},{j},{k}\right\rbrace}\subset$ Select an answer A B both A and B