Question # 1

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R/[0,4]

R/(0,4)

(0,4)

[0,4]

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

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trigonometric function

algebraic function

exponential function

logarithmic function

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-1

1

2

-2

If y is an image of x under the function f, then we write

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y = f(x)

x = f(y)

y = x

none of these

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2

-1

8

not defined

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The period sin²θis

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π²

π

2π

π/2

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quadratic function

constant function

linear function

exponential function

Which of the following function form 1 to itself are bi-jective

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F(x) = x + 3

F(x) = x⁵

F(x) = 3x + 2

F(x) = x²+ x

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range of f

domain of f

both (a) and (b)

none of these

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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Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

Point (2,0) lies on trigonometric function f(x)=______;

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sinx

cosx

tanx

secx

Domain of cosh x is

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R

R -{0}

[1,∞)

[0,∞)

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If f(x) = -x²then f(-2) is

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-2

2

-4

4

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The domain of y = cos-1 x is

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-∞ < x < ∞

-1≤ x≤ 1

x≤ -1 or x ≥ 1

None of these

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2

6

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0

1

2

1/2

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

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dependent variable

independent variable

constant

none of these

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[0,1[

[0, 1]

]0, 1[

None of these

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0

1

none of these

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

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a = 1 , b = 1

a = 1 , b = 0

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

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graph

Continuity

Discontinuity

Periods

If f(x) = x + 1 then f(z²-1) is

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z²

z²+ 2

z²- 2

none of these

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

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0

-4

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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