Question # 1

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[0,1[

[0, 1]

]0, 1[

None of these

A rule that assigns to each elements x in X a unique element y in Y is called a ____________

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domain

range

function

none of these

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

The area of circle of unit radius =

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0

1

4

π

If f(x)= x³ then f(-2) is

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-2

-4

-8

8

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0

-4

none of these

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

f(x) = 3x⁴ -2x² + 7 is:

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an even function

an odd function

an even and implicit function

neither even nor a odd

If f(x) = x³- 2x²+ 4x -1 then f(0) is

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0

1

-1

none of these

f(x) = sin x is:

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an odd function

an even function

an implicit function

an exponential function

If f(x) = x + 1 then f(z²-1) is

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z²

z²+ 2

z²- 2

none of these

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-2

-1

1

2

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2

-1

8

not defined

The value of x which is unchanged by the mapping in the function defined by f ; x⟶ x² + 5x -5 for x> 0 is

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1

5

-5

-1

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image

pre-image

constant

none of these

A function from A to B is denoted by

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f: A→ B

f: B → A

f: → A :B

f → A→ B

f (x) = | x | is a/an

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Injective function

Bijective function

Surjective function

Implicit function

Every relation, which can be represented by a linear equation in two variables, represents a

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Relation

Cartesian product

Function

Graph

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1

0

-2

3

If the domain of the function f: x⟶ 2x³+ 1 is {-1,2,3}, the range of the function is

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{3,2,5}

{1,3,9}

{-1,-2,-3}

{3,9,19}

The range of inequality x + 2 > 4 is

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(-1, 2)

(-2, 2)

(1,∞)

None

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2

1

5

0

If f(x) = x²- x then f(2) is

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4

6

2

0

The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

The function f(x) =|x| is a/an_______function

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Even

Odd

Both even as well as odd

Neither even nor odd

x = secθ,y = tanθ are the parametric equations of

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Circle

Hyperbola

Ellipse

parabola

Composition of functions is

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Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

The domain and range of a trigonometric function can be allocate by their

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graph

Continuity

Discontinuity

Periods

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