Question # 1

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

Function is a special type of

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relation

ordered pairs

cartesian product

sets

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

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Negation of a given number is an example of

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Binary operation

group

unary operation

function

Identity element, if it exists, is

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inverse

unique

commutative

associative

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

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

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similar images

distinct images

similar range

option a and c

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

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multiplication

addition

subtraction

division

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(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

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bijective function

into function

onto function

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

Which of the following diagrams represent bijective function?

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ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

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

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

If range of a function f is B, then the function is

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surjective

injuctive

bijective

into

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

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

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Domain

Range

Function

Relation

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

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

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Mathematics ECAT Pre Engineering Chapter 4 Functions and Groups Online Test MCQs With Answers

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