Question # 1

Which of the following represent injuctive function

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N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

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

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Domain

range

function

relation

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

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Binary operation

Unary operation

group

multiplicative inverse

A function f from A to B can be written as

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

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A

B

D

r

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similar images

distinct images

similar range

option a and c

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

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domain

range

ordered paris

relation

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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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

Which of the following diagrams represent into function?

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A function∫ will have an inverse function if and only if it is a

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onto function

into function

Constant

one-one function

Let A and B be two non-empty sets, then any subset of the cartesian product AxB is called a

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function

domain

range

binary relation

Addition is not operation on

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Natural numbers

Even numbers

odd numbers

set of integers

Negation of a given number is an example of

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Binary operation

group

unary operation

function

Which of the following diagrams represent bijective function?

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The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

Let A and B be two non-empty sets, then any subset of the cartesian product A x B called a

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Function

Domain

Range

Binary relation

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

on to function

None of these

Surjective

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

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Domain

Range

Ordered paris

Relation

The function denoted by 1/f called the

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Reciprocal function

Inverse function

Constant function

Reverse function

The identity function is

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surjective

injuctive

bijective

into

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

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bijective function

into function

onto function

surjective

Identity element, if it exists, is

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inverse

unique

commutative

associative

(a,b) = (c,d) if and only if

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a=b and c =d

a = d and b = c

a = c and b = d

a - b = c -d

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

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