Question # 1

If f(x) = -x³then f(-2) is

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-2

-4

-8

8

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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If f(x) = x²- x then f(2) is

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4

6

2

0

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

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0

1

f(x)

-f(x)

If f(x) = -x²then f(-2) is

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-2

2

-4

4

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

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sin h x

cos h x

tan h x

cot h x

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-1

1

2

-2

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The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

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In natural logarithm the base is

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1

0

10

e

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0

1

-1

none of these

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 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

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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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image

pre-image

constant

none of these

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0

-4

none of these

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

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11

7

5

2

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

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R

(-∞,0]

(-∞,1]

[0,∞)

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range of f

domain of f

both (a) and (b)

none of these

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

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Circle

Hyperbola

Ellipse

parabola

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images

pre-images

constants

none of these

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

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graph

Continuity

Discontinuity

Periods

tan h x = _________

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

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