Question # 1

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

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R

(-∞,0]

(-∞,1]

[0,∞)

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

In common logarithm the base is

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1

0

10

e

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f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

Domain of cosh x is

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R

R -{0}

[1,∞)

[0,∞)

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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

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2

4

8

12

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-1

1

2

-2

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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f(x) = x²

f(x²) = x

f(x) = x

none of these

The domain of the function x/x² -4 is given by

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R

R + 2

[R - (+2)

R-4

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range of f

domain of f

both (a) and (b)

none of these

sec h x = ________

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If f(x) = x²then f(2) is

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-2

2

4

-4

sin h x = ___________

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0

-4

none of these

If f(x) = x²- x then f(2) is

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4

6

2

0

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

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graph

Continuity

Discontinuity

Periods

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

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trigonometric function

algebraic function

exponential function

logarithmic function

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

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

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

f(x) = 1 is

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identity function

constant function

linear function

quadratic function

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0

1

none of these

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3/4

r

v

None of these

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

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