Question # 1

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

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A

B

∅

r

the function y = mx+c is, called linear function, because

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it has only two variables

it has one varible

its graphs is straight line

its graphs is circle

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

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

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Binary operation

Unary operation

group

multiplicative inverse

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

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domain

range

ordered paris

relation

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

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Domain

range

function

relation

Which of the following diagrams represent bijective 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

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

Which of the following represent injuctive function

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A function f from A to B can be written as

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

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Domain

Range

Function

Relation

There will be no inverse if the function is

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one -to - one

One to many

onto

into

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

The function denoted by 1/f called the

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Reciprocal function

Inverse function

Constant function

Reverse function

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

The inverse of a line is

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inverse

Line

quadratic

Circle

The identity function is

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surjective

injuctive

bijective

into

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

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multiplication

addition

subtraction

division

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similar images

distinct images

similar range

option a and c

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

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

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

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