Relations and F...

The domain of the function f (x) =

If f (x) =√-x, then domain of fof is

Which of the following is/are not defined at x = 0?
a. 1/x
b. x²/x
c. x³/x
d. x³/x²

The function f (x) = x + cos x

Which of the following is the most appropriate way to represent the equality of ordered pair?

Let x be any real, then [x + y] = [x] + [y] holds for

If f(x) and g(x) are two functions, then which of the following operations may increase the domain of the resulting function?

Which of the following statements are false?
a. Every function is a relation, but every relation is not a function.
b. Every relation is a function, but every function is not a relation.
c. There is no relation between functions and relations.
d. Function is just another name of relation.