Question # 1

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0

1

none of these

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

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graph

Continuity

Discontinuity

Periods

The set of points {(x,y)|y = f(x),∀x∈} is called

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Relation

Graph of f

Function

All are correct

The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)

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I & III

I & IV

II & IV

II & III

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}

tan h x = _________

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One-to-one and onto

One-to-one but not on to

Onto but not one-to-one

Neither one-to-one nor onto

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

In common logarithm the base is

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1

0

10

e

If x is an image of y under the function f. This can be written as

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y = f(x)

f(x) = 0

x = f(y)

f(y) =0

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0

-4

none of these

If f(x) = (-x)²then f(-2) is

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0

2

-4

4

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0

1

8

∞

If f(x) = x²- x then f(-2) is

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4

6

2

0

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The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

For f(x) = x² + px +1, if f(3) = 3 then P =

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3/7

-2/5

-7/5

-7/3

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range of f

domain of f

both (a) and (b)

none of these

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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0

1

2

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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

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The period of the function f(x) = sin⁴x + cos⁴x is

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π

π/2

2π

None of these

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2

6

Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

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-1

1

2

-2

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