Question

dadoo conjunto A={-1,2-3-4,5} e B={-1,-2,-3},onde R={(x,y) eAxB/y=x}

Answer 1

A ={-1,2-3-4,5}, B={-1,-2,-3}, R={ (x,y)€ A x B |y=x} 

R = {(-1, -1), (-3, -3)} 

D(R) = {-1, -3} 

d) n.d.a