Question # 1

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

The net of cartesian product AxB consists of

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domain

range

binary relation

ordered pair

(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 bijective function?

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Addition is not operation on

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Natural numbers

Even numbers

odd numbers

set of integers

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 inverse of a line is

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inverse

Line

quadratic

Circle

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

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

Function is a special type of

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relation

ordered pairs

cartesian product

sets

Which of the following is surjective

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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

Which of the following diagrams represent into function?

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

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A

B

D

r

Which of the following represent injuctive function

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Such a function which is (1 -1) is called

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surjective

injuctive

bijective

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

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

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Domain

range

function

relation

ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

There will be no inverse if the function is

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one -to - one

One to many

onto

into

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

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

Which of the following notation defines AxB

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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

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