Question # 1

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

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domain

range

ordered paris

relation

There will be no inverse if the function is

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one -to - one

One to many

onto

into

Which of the following notation defines AxB

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Which of the following represent injuctive function

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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

onto function

None of these

surjective

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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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

The inverse of a line is

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inverse

Line

quadratic

Circle

The group of a constant line is

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Vertical line

Parabola

Circle

Horizontal line

(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

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

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surjective

injuctive

bijective

into

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

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

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multiplication

addition

subtraction

division

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

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

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Binary operation

Unary operation

group

multiplicative inverse

The identity function is

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surjective

injuctive

bijective

into

Which of the following diagrams represent bijective function?

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similar images

distinct images

similar range

option a and c

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

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

on to function

None of these

Surjective

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

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

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A

B

∅

r

(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 net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

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