Relations and F...

Which of the following statement is false?

If f(x) = x² and g(x) = x are two functions from R to R then (fg)(2) is

Let A = {1, 2, 3, …, 30} and R be the relation “is one-fifth of”  on A. Then the range of R is

If n(A)=2, n(B)=2 . What is the total number of relations from A to B?

A={1, 2, 3, 4, …, 14}. Let R be a relation from A to A defined by

R = {(a, b):3a – b = 0, a, b∈ A} then domain of R is

Find the domain of the function f(x) = x |x|

If ordered pair (a + 2b, 9) = (7, 3a + 2b), then the values of a and b are

Which of the relations is not a function?

The graph of f(x) = x² lies in: