I need help with 2d, 3a, 3b, and 4 please and thank you

\B ) < ( B A ) ) ~ ( AS B ) .ISThe answers to exercises marked / BB / can be found in the Back of the Book .1 . Let A = Ex ENIX < ]], B = EX E Z | |x – 21 < 4),and C = (x ER| x5 – 4X = 01.`( 2 ) [ BB ] List the elements in each of these sets .5 . For A = [a , b , d( 10 ) Find A UC, B NC, B / C. A DB, C X ( BR C ).( 2 ) [BBIA }( A / B ) | C, A| ( B IC ), and ( BUD ) neo].( C ) AND( C ) List the elements in S = ( ( a , b ) EAX B la = 6 + 2)( @ ) [BB ] [a , band in I = ( ( a , C ) EAX Cla<c).6 . Find A " ( with !2 . Let S = 12, 5 , V 2, 25 , JT , } } and I = 14 , 25, V 2, 6, 3].cases .( a ) [BB ] Find S n T . SUIT , and I X ( S nT ).( 2 ) [BBIA =( b ) [ BB ] Find ZU S. ZnS, ZU I, and Zn T.( b ) A = ( – 31( C ) A = [ x {( C ) List the elements in each of the sets Zn ( SUI ) and7 . Let * =( Ins) U ( Z n I ) . What do you notice ?13 , 4 , 5 , 61 . 1( d) List the elements of ZU ( SI ) and list the elementsuniversal set;of ( ZUS) n ( ZU I ). What do you notice ?( 2 ) XO ( Y3 . Let A = ( ( – 1 , 2 ), ( 4 , 5 ). ( 0 , 0 ) , ( 6 , – 5 ) , ( 5 , 1 ) , ( 4 , 3 ) ].8. Letn > 3 andList the elements in each of the following sets .(2 ) [BB ] HE( 2 ) [BB ] [a + 6 | ( a , b ) EA ]( b) How m( b ) (a la > O and ( a , b ) E A for some b )( C ) HOW IN( C ) 16 1 6 = K? for some K E Z and ( a , b ) E A for someBULLa ]Explain you4. List the elements in the sets A = ( ( a , b ) E N X N / as9. [BB ] Let a6 , 6 < 3) and B = 18 | a , b E 1 – 1, 1 , 21].`( a , b ) `, La.