Question # 1

Which of the following represent injuctive function

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The set of second elements of the ordered pairs forming a relation is called a

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Domain

range

function

relation

The set of second elements of the ordered pairs forming a relation called a

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Domain

Range

Function

Relation

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

Which of the following notation defines AxB

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A relation A into B in which Domain is not equal to A, is called

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into function

onto function

None of these

surjective

Such a function which is (1 -1) is called

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surjective

injuctive

bijective

into

There will be no inverse if the function is

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one -to - one

One to many

onto

into

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If no two elements of ordered pairs of a function from A onto B are the same, then it is called

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surjective

injuctive

bijective

on to

If the number of elements in set A is n, and in set B is m, then the number of elements in AxB will

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n^m

mⁿ

m x n

m + n

If no two elements of ordred pair of a function from A into B are equal, then it is called

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surjective

injuctive

bijective

on to

The set {E,0}, is closed under (ordinary)

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multiplication

addition

subtraction

division

If A is non-empty set, any subset of AxA is called a relation in a

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A

B

D

r

The set of first elements of the ordered pairs forming the relation is called its

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domain

range

ordered paris

relation

Negation of a given number is an example of

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Binary operation

group

unary operation

function

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bijective function

into function

onto function

surjective

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

Which of the following diagrams represent bijective function?

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arb mean

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a is related to b

b is related to a

a is reciprocal of b

a is not related to b

The extraction of a cube root of a given number is a

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Binary operation

Unary operation

group

multiplicative inverse

A relation a into B in which Domain is not equal to a, is called.

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Into function

on to function

None of these

Surjective

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

If no two elements of ordered pair of a functions from A into B are equal, then it is called.

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Surjective

Injuctive

Bijective

Onto

A function from A to B is called on-to function, if its range is

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A

B

A and B

neither A nor B

The inverse of a line is

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inverse

Line

quadratic

Circle

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

If A is non-empty set, any subset of A x A is called a relation in

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A

B

∅

r

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