Question # 1

If f(x)= x³ then f(-2) is

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-2

-4

-8

8

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2

1

5

0

if the value of the sphere, v =4/3πr²^, then the which of the following statement is true?

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r is the function of v

v is the function ofπ

π is independent variable

None of these

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

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Circle

Hyperbola

Ellipse

parabola

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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quadratic function

constant function

trigonometric function

linear function

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A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from

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X to X

X to Y

Y to X

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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0

1

none of these

The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

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images

pre-images

constants

none of these

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[0,1[

[0, 1]

]0, 1[

None of these

Sin h^-1x = _________

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What is range of the function g (x) =|x-3|?

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[0 ,∞ )

(0 ,∞)

(-∞ ,3]

[0,∞)

If f(x) = x³- 2x²+ 4x -1 then f(0) is

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0

1

-1

none of these

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 only function which is both even and odd is

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f(x) =α

f(x) = x

f(x) =0

Both A & B

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

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1

0

-2

3

If f(x) = x²- x then f(-2) is

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4

6

2

0

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sin h x

cos h x

tan h x

cot h x

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

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2

-2

none of these

A function f is said to be an even if f(-x) =

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0

1

f(x)

-f(x)

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

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2

-1

8

not defined

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