1. f(x) = \(\frac{log_2(x+3)}{x^2+3x+2}\) is the domain of

2. If the function f(x) = x³ + e

3. What type of relation is ‘less than’ in the set of real numbers?

4. If A = [1, 2, 3}, B = {5, 6, 7} and f: A → B is a function such that f(x) = x + 4 then what type of function is f?

5. f: A → B will be an into function if

6. If f : R → R such that f(x) = 3x then what type of a function is f?

7. If f: R → R such that f(x) = 3x – 4 then which of the following is f

8. A = {1, 2, 3} which of the following function f: A → A does not have an inverse function

9. Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as aRb if a congruent to b ∀ a, b ∈ T. Then R is

10. Consider the non-empty set consisting of children is a family and a relation R defined as aRb If a is brother of b. Then R is