Question

answer this question

Answer 1

A={10,15,20,25}. B={-1,0,1}

Answer 2

1.) A {5,10,15,20,25}
B {- 1 .99,-1.87....-1,0,1}
2.) C {x:x=n/n+1, n>7}
D {x: x=n^3, n <5,n €N}