Question # 1

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2

4

8

12

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images

pre-images

constants

none of these

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

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

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Circle

Hyperbola

Ellipse

parabola

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

cos h²x + sin h² x

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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

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0

1

none of these

f(x) = 2^x+ 3 . 2^2x+ 5 is

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trigonometric function

algebraic function

exponential function

logarithmic function

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f(x) = 3x/x² + 1 is:

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an even function

an odd function

an even and implicit function

neither even nor a odd

A function of the form p(x)/Q(x) is called:

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Rational function

Logarithmic function

Exponential function

Hyperbolic function

If the function y=2x -3, what is the preimage of 11?

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11

7

5

2

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

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

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0

1

f(x)

-f(x)

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

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sin h x

cos h x

sec h x

cosec h x

If f(x) = cos x then f(0) is

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0

1

1/2

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f(x) = x²

f(x²) = x

f(x) = x

none of these

If f(x) = tan x then f(0) is

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0

1

1/2

f(x) = 1 is

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identity function

constant function

linear function

quadratic function

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0

-2

1

4

If f(α) = b2 and g (c) =d where c=b2 then (gof)(a) is

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α

c

b

d

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If f(x) = x²-x then f(0) is

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0

1

2

3

If f (x) is defined and continuous then f (x) is always

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Rational function

Trigonometric function

Logarithmic function

All are correct

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ECAT Pre General Science Mathematics Chapter 17 Functions and Limits Online Test MCQs With Answers

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