1. The
set of first element of all ordered pairs of a binary relation is called its
(a) Range (b) Domain
(c) Co-domain (d)
None of these
2. If every member of a set A is also
member of set B, then
(a) A is subset of B (b) A is super set of B
(c)
B is subset ofA (d) None of
these
3. A quantity which does not remain fixed is
called a
(a) Variable (b) Constant
(c)
Parameter (d) Both b and c
4.
If f is a function f: Xà Y, then Y is called
(a) Domain (b) Co-domain
(c) Range (d) None of these
5.
If y is a function of x, then y is called
(a) independent variable (b) Dependent Variable
(c) Parameter (d) Constant
6. If A and B are non-empty sets,
then A × B is
(a) {(x, y) / xÎ A
Ù y Î B} (b) {(x,
y) / xÎ A Ú y Î B}
(c) {(x, y) / x Î B
Ù y Î A} (d){(x,
y) / x Î B Ú y Î A}
7. Any subset of A × B is called a
(a) binary relation (b) binary operation
(c) function (d) Cartesian Product
8. x is function of y is written as
(a) y = f(x) (b) x = f(y)
(c) f(x, y) = 0
(d) x = y
9. If a function f: Xà Y is such that "x1, x2
Î X , x1 ¹ x2 Û f (x1) ¹ f (x2
) , then f is called
(a) Onto (b) (1-1)
(c) Into (d) Both a and b
10. For a function f: Xà Y,
if Range = Y then f is called
(a) Onto (b) (1-1)
(c) Into (d) Both b and c
11. Onto function is also known
as
(a) Surjective (b) Injective
(c) Bijective (d) None of these
12. If a degree of polynomial
function is 2, then function is
(a) Linear (b) Quadratic
(c) Cubic (d) None of these
13. The function y = loge
x is called __________ Logarithmic
(a) Common (b) Natural
(c) General (d) None of these
14. The equation of the form x
= f(t), y = g(t) where t is parameter are called
(a) Implicit equation (b) explicit equation
(c) Parametric equation (d) none of these
15. If f(x) = Sinx + Cosx then
f is __________ function
(a) Odd (b) Even
(c) Implicit (d) None of these
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