R is a relation in the set A={1,2,3,…..,15} such that R={(x,y):y=3x}`.Find the domain and range of R.

Find the domain and range of f if . f(x)=1/(x^2-1)

Find the domain and range of f if . f(x)=1/(x(x-1))

Find the domain and range of f if . f(x)=|x+1|/(x+1)

Given the sets A = {1,2, 3, 4, 5} and B = {1, 3, 5}, write R as a set of ordered pairs, if the relation R from A to B is defined by ‘x isless than y’. State the domain and the range of the relation

State the reasons for the relation R on the set { 1,2,3} given by R = { (1,2), (2,1)} not to be transitive.

Let A={1,2,3} and B={2,4,6,8} . Consider the rule f:A to B,f(x)=2x,AA x in R . Find the domain, codomain and range of f.

Find the domain and range of f if . f(x)=(x^2-2x-3)/(x^2-9)

State whether each of the following binary relations on the set A={1, 2, 3} is reflexive, symmetric and transitive R={(1,1),(1,3),(3,1)}