MCQs of Relations and Functions

Showing 11 to 20 out of 145 Questions

11.

The number of binary operation on {1, 2, 3,..., n} is _____

12.

If a * b = a + b + a b o n R - {- 1}, then a^{- 1} is_____

13.

For a ∗ b = a + b+10 on Z, the identity is _____

14.

The number of commitative binary operations on {1, 2} is _____

15.

I f a * b = \frac{a b}{100} o n Q^{+}, i n v e r s e o f 0.1 i s_____

16.

A = [- 1, 1], B = [0, 1], C = [- 1, 0] s_{1} = {(x, y) | x^{2} + y^{2} = 1, x \in A, y \in A} s_{2} = {(x, y) | x^{2} + y^{2} = 1, x \in A, y \in B} s_{3} = {(x, y) | x^{2} + y^{2} = 1, x \in A, y \in C} s_{4} = {(x, y) | x^{2} + y^{2} = 1, x \in B, y \in C}, t h e n

17.

f : R \to R, f (x) = 3^{x} + 3^{| x |} =_____

18.

f : R - {q} \to R - {1}, f (x) = \frac{x - p}{x - q}, p \neq q, t h e n f i s_____

19.

f : [- 1, 1] \to [- 1, 1], f (x) = - x | x | i s_____

20.

I f f : R \to R, f (x) = 2 x - 3, t h e n_____

Showing 11 to 20 out of 145 Questions