Question # 1

If f(x) = x²- x then f(2) is

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4

6

2

0

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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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

The area of circle of unit radius =

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0

1

4

π

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

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0

1

f(x)

-f(x)

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

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0

1

-1

none of these

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

Sin h^-1x = _________

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

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0

1

-1

2

If f(x) = (-x)²then f(-2) is

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0

2

-4

4

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

If y=f(x) is a function then y is called

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dependent variable

independent variable

constant

none of these

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

If y=f(x) is a function then x is called

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dependent variable

independent variable

constant

none of these

If f(x) = x³- 2x²+ 4x -1, then f(-2) = ?

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0

-25

5

45

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

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