Question # 1

If f(x)= x³ then f(-2) is

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-2

-4

-8

8

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

The trigonometric function are continuous whenever

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They are defined

their limit exist

Their period is given

All are incorrect

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0

1

1/2

If f(x) = x²then f(2) is

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-2

2

4

-4

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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Which is not included in the domain of cos^-1x

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0

1

-1

2

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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

Graph of the question x²+ y²= 4 is

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A circle

An ellipse

A parabola

A square

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f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

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

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graph

Continuity

Discontinuity

Periods

In common logarithm the base is

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1

0

10

e

f(x) = 3x⁴ -2x² + 7 is:

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an even function

an odd function

an even and implicit function

neither even nor a odd

The period sin²θis

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π²

π

2π

π/2

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sin h x

cos h x

tan h x

cot h x

Sin h^-1x = _________

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image

pre-image

constant

none of these

f(x) = 1 is

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identity function

constant function

linear function

quadratic function

If f(x) = x³- 2x²+ 4x -1 then f(2) is

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7

-16

16

-9

f(x) = C is

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identity function

constant function

linear function

quadratic function

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0

1

8

∞

In the function f: A⟶B, the elements of a are called

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Images

Pre-images

ranges

Parameters

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2

6

If f(x) = x²then f(0) is

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0

1

2

none of these

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

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

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