Question # 1

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

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

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

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

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A

B

D

r

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

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

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

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

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surjective

injuctive

bijective

on to

Identity element, if it exists, is

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inverse

unique

commutative

associative

The graph of a constant line is

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vertical line

parabola

circle

horizontal line

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

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

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multiplication

addition

subtraction

division

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Which of the following is surjective

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ax+by+c = 0 , represents a

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Circle

Parabola

Straight line

Quadratic circle

(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

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

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

Addition is not operation on

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Natural numbers

Even numbers

odd numbers

set of integers

Which of the following diagrams represent bijective function?

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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

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

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surjective

injuctive

bijective

into

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