Let `f={(x, y)|x, yin N and y=2x}` be a relation on N. Find the domain, co-domain and range. Is this relation a function?

Let N be the set of natural numbers and the relation R be defined on N such that R = {(x , y) : y = 2x , x , y in N} .What is the domain, codomain and range of R? Is this relation a function?

Let N be the set of natural numbers and the relation R be defined on N such that R={(x,y): y=2x,x,y in N }. what is the domain codomain and range of R ? Is this relation a functions ?

Let N be the set of natural numbers and the relation'R be defined on N such that R={(x, y): y=2 x, x, doty in N} What, is the domain, codomain and range of R? Is this relation a function?

Let N be the set of natural numbers and the relation R be defined on N such that R={(x,y):y=2x,x,y in N} What is the domain,codomain and range of R? Is this relation a function?

If R = (x,y) , xy = 12 is a relation on N, write the domain of R.

Find the domain and range of real function f if f(x)=x/|x|

Find the domain and range of the function f(x) = x/(2-3x)

Find the domain and range of the following function f(x)=x^2+2

Let R be a relation defined on the set of natural numbers N as follows: R= {(x,y): x in N, y in N and 2x + y = 24} . Find the domain and range of the relation R. Also, find if R is an equivalence relation or not.

Let R be a relation on N defined by x+2y=8. The domain of R is