Please help me with this problem and needed all parts to be solved please, needed correct solution, will be really appreciated... 7. Suppose that R = {(x, y)|x + y

Please help me with this problem and needed all parts to be solved please, needed correct solution, will be really appreciated...

Extracted text: 7. Suppose that R = {(x, y)|x + y<7}; r¡="" is="" a="" relation="" from="" x="" to="" y,="" r2="{(y," z)|y="z" +="" 1};="" r2="" is="" a="" relation="" from="" y="" to="" z;="" ordering="" of="" x,y="" and="" z:="" 1,2,3,4,5,6.="" find="" a)="" the="" matrix="" a,="" of="" the="" relation="" r1(relative="" to="" the="" given="" orderings)="" b)="" the="" matrix="" a,="" of="" the="" relation="" r2(relative="" to="" the="" given="" orderings)="" c)="" the="" matrix="" product="" a,="" a2="" d)="" use="" part="" c)="" to="" find="" the="" matrix="" of="" relation="" r2="" •="" r1="" e)="" use="" the="" result="" of="" part="" d="" to="" find="" the="" relation="" r2="" •="" r1(as="" a="" set="" of="" ordered="" pairs)="" f)="" use="" matrix="" a1="" to="" decide="" if="" r,="" is="" a="" partial="">