Question # 1

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injuctive as well as surjective

both onto and into

one - one and into

only (1 - 1)

Which of the following diagrams represent into function?

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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

ax+by+c = 0, represent a

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circle

parabola

straight line

quadratic circle

Extraction of square root of a given number is a

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unary operation

binary operation

group

inverse function

The function denoted by 1/f called the

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Reciprocal function

Inverse function

Constant function

Reverse function

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bijective function

into function

onto function

surjective

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

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Binary operation

Unary operation

group

multiplicative inverse

ax+by+c = 0 , represents 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

The inverse of a line is

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inverse

Line

quadratic

Circle

A semi-group having an identity is called a

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groupoid

non-commutative

abelian

monoid

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

N is closed with respect to ordinary

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addition

multiplication

addition and multiplication

division

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

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

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surjective

injuctive

bijective

into

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

The graph 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

Function is a special type of

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relation

ordered pairs

Cartesian product

Set

Function is a special type of

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relation

ordered pairs

cartesian product

sets

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

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surjective

injuctive

bijective

into

The set of cartesian product A x B consists of

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Domain

Range

Binary relation

Ordered pair

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

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