Question

Let R be a relation from N to N define as R(x)=x²-x find range of R

Answer 1

Answer:

x+2y=8

x=8−2y

Since y and x both must be natural,

Possible values of y are 1,2,3 which corresponds to possible value of y to be 6,4,2 .

Thus range of R = {2,4,6}

Answer 2

This is a model of your questions...

Revise it....