Question # 1

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-2

-1

1

2

The domain the function : f(x) = x² is given by

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R

Set of all non-negative Real numbers

R^-1

None of these

The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

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0

-4

none of these

The trigonometric function are continuous whenever

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They are defined

their limit exist

Their period is given

All are incorrect

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1/8

1/2

1/4

1/6

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0

3

9

-3

Express the perimeter P of square as a function of its area A?

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P = 4√A

P =√A

P = 2A

P =π√A

In common logarithm the base is

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1

0

10

e

A function F(x) is called even if

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F(x) = F (-x)

F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

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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image

pre-image

constant

none of these

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tan h x = _________

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The domain of y = cos-1 x is

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-∞ < x < ∞

-1≤ x≤ 1

x≤ -1 or x ≥ 1

None of these

The period sin²θis

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π²

π

2π

π/2

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images

pre-images

constants

none of these

A function in which the variable appears as exponent is called:

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An identity function

A logarithmic function

an exponential function

A rational function

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3/4

r

v

None of these

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0

1

none of these

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f(x) = x²

f(x²) = x

f(x) = x

none of these

The range of the function f : x→ y is defined by

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{x| y = f (x) ∀x∈ X ∧y∈y}

{(x,y) |y = f (x)∀x∈ X}

{y|y = f (x) ∀x∈ X ∧y∈y}

Y

Which of the following function form 1 to itself are bi-jective

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F(x) = x + 3

F(x) = x⁵

F(x) = 3x + 2

F(x) = x²+ x

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

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quadratic function

constant function

trigonometric function

linear function

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2

4

8

12

Domain of y = scs x is

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All real numbers except π/2 + n*π

R

All negative integers

None of these

The range of inequality x + 2 > 4 is

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(-1, 2)

(-2, 2)

(1,∞)

None

A function from X to Y is written as

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f : X to Y

f : Y to Y

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