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Mathematics ECAT Pre Engineering Chapter 17 Functions and Limits Online Test MCQs With Answers
Question # 1
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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Question # 2
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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Question # 3
The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called
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Constant function
Polynomial function
Identity function
Linear function
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Question # 4
The domain the function : f(x) = x
2
is given by
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R
Set of all non-negative Real numbers
R
-1
None of these
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Question # 5
f(x) = sin x + cos
2
x is
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trigonometric function
algebraic function
exponential function
logarithmic function
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Question # 6
The range of y=x2 + 1 is the set of non-negative real numbers except
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0≤ y < 1
0 < y < 1
0≤ y≤ 1
0 < y≤1
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Question # 7
Domain of cosh x is
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R
R -{0}
[1,∞)
[0,∞)
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Question # 8
If f(x) = -x
2
then f(-2) is
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-2
2
-4
4
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Question # 9
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sin h x
cos h x
tan h x
cot h x
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Question # 10
The behavior of trigonometric function is called
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Continuity
Discontinuity
Periodicity
Smoothness
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Question # 11
if the value of the sphere, v =4/3πr
2
,
then the which of the following statement is true?
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r is the function of v
v is the function ofπ
π is independent variable
None of these
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Question # 12
Which of the following function form 1 to itself are bi-jective
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F(x) = x + 3
F(x) = x
5
F(x) = 3x + 2
F(x) = x
2
+ x
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Question # 13
f(x) = 1 is
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identity function
constant function
linear function
quadratic function
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Question # 14
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0
1
-1
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Question # 15
If f(x) = x + 1 then f(z
2
-1) is
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z
2
z
2
+ 2
z
2
- 2
none of these
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Question # 16
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Question # 17
sec h x = ________
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Question # 18
If f(x) = x
2
then f(0) is
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0
1
2
none of these
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Question # 19
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2
-2
none of these
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Question # 20
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1/8
1/2
1/4
1/6
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Question # 21
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0
1
1/2
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Question # 22
The only function which is both even and odd is
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f(x) =α
f(x) = x
f(x) =0
Both A & B
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Question # 23
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Question # 24
If y=f(x) is a function then x is called
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dependent variable
independent variable
constant
none of these
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Question # 25
If f(x)= x
3
then f(-2) is
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-2
-4
-8
8
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Question # 26
The largest possible domain of the function:
y=√(x ) is:
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(0 ,∞)
12
(3 , 12)
( 3 ,∞)
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Question # 27
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2
0
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Question # 28
Point (2,0) lies on trigonometric function f(x)=______;
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sinx
cosx
tanx
secx
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Question # 29
A function from X to Y is written as
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f : X to Y
f : Y to Y
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Question # 30
f(x) = 2x
2
+ 3x + 5 is a
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trigonometric function
algebraic function
exponential function
logarithmic function
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Question # 31
f(x) = log x + 3 is a
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trigonometric function
algebraic function
exponential function
logarithmic function
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