Question # 1

f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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

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

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

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2

4

8

12

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quadratic function

constant function

trigonometric function

linear function

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) = x²then f(-2) is

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-2

2

4

-4

Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

If f (x) = 2x+1 then fof (x) = _______;

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4x+3

2x +3

4x +1

None of these

sec h x = ________

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0

-4

none of these

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

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0

1

f(x)

-f(x)

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

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One-to-one and onto

One-to-one but not on to

Onto but not one-to-one

Neither one-to-one nor onto

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R/[0,4]

R/(0,4)

(0,4)

[0,4]

A function of the form p(x)/Q(x) is called:

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Rational function

Logarithmic function

Exponential function

Hyperbolic function

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

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11

7

5

2

f(x) = sin x + cos²x is

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trigonometric function

algebraic function

exponential function

logarithmic function

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0

1

2

1/2

If f(x) = x²then f(2) is

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-2

2

4

-4

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-2

-1

1

2

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

If f(x) = x²then f(0) is

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0

1

2

none of these

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range of f

domain of f

both (a) and (b)

none of these

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

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graph

Continuity

Discontinuity

Periods

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images

pre-images

constants

none of these

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x = f(y)

y = f(x)

x = f(x)

y = f(y)

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

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