Question # 1

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

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1

2

3

4

The set of points {(x,y)|y = f(x),∀x∈} is called

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Relation

Graph of f

Function

All are correct

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Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

f(x) = ax + b will be a constant function if

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a = 1 , b = 1

a = 1 , b = 0

If f(x) = x²- x then f(2) is

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4

6

2

0

If f(x) = x²then f(0) is

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0

1

2

none of these

If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

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x is function of y

y is a function of x

y is independent variable

x is real valued function

The period sin²θis

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π²

π

2π

π/2

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from

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X to X

X to Y

Y to X

none of these

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sin h x

cos h x

sec h x

cosec h x

In natural logarithm the base is

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1

0

10

e

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

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

In common logarithm the base is

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1

0

10

e

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-2

-1

1

2

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

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