Question # 1

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 ordred pair of a function from A into B are equal, then it is called

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surjective

injuctive

bijective

on to

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

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

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similar images

distinct images

similar range

option a and c

(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

Which of the following diagrams represent into function?

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

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Binary operation

Unary operation

group

multiplicative inverse

There will be no inverse if the function is

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one -to - one

One to many

onto

into

(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

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

Which of the following is surjective

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Function is a special type of

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relation

ordered pairs

Cartesian product

Set

A function f from A to B can be written as

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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

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

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surjective

injuctive

bijective

into

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

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 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

A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

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

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A

B

∅

r

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 identity function is

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surjective

injuctive

bijective

into

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

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