Question # 1

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

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Domain

Range

Ordered paris

Relation

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

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

The function denoted by 1/f called the

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Reciprocal function

Inverse function

Constant function

Reverse function

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

The inverse of a line is

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inverse

Line

quadratic

Circle

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

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

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

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 called a

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Domain

Range

Function

Relation

(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

There will be no inverse if the function is

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one -to - one

One to many

onto

into

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

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Surjective

Injuctive

Bijective

on to

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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bijective function

into function

onto function

surjective

Which of the following diagrams represent into function?

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

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multiplication

addition

subtraction

division

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

A function f from A to B can be written as

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

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surjective

injuctive

bijective

into

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similar images

distinct images

similar range

option a and c

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ECAT Pre General Science Mathematics Chapter 4 Functions & Groups Online Test MCQs With Answers

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