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Mathematics ECAT Pre Engineering Chapter 17 Functions and Limits Online Test MCQs With Answers
Question # 1
In common logarithm the base is
Choose an answer
1
0
10
e
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Question # 2
The range of inequality x + 2 > 4 is
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(-1, 2)
(-2, 2)
(1,
∞
)
None
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Question # 3
f(x) = x is
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trigonometric function
exponential function
quadratic function
identify function
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Question # 4
The domain of f(x) = log x is
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[0,
∞
]
(0,
∞
)
[0,
∞
[
[
∞
,
∞
]
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Question # 5
A function from X to X is denoted as
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f : X to Y
f : Y to Y
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Question # 6
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 # 7
Choose an answer
quadratic function
constant function
trigonometric function
linear function
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Question # 8
For f(x) = x
2
+ px +1, if f(3) = 3 then P =
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3/7
-2/5
-7/5
-7/3
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Question # 9
f(x) = ax + b will be a constant function if
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a = 1 , b = 1
a = 1 , b = 0
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Question # 10
If the function y=2x -3, what is the preimage of 11?
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11
7
5
2
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Question # 11
Choose an answer
-1
1
2
-2
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Question # 12
Choose an answer
0
1
none of these
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Question # 13
Choose an answer
x = f(y)
y = f(x)
x = f(x)
y = f(y)
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Question # 14
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 # 15
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quadratic function
constant function
linear function
exponential function
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Question # 16
A function from A to B is denoted by
Choose an answer
f: A→ B
f: B → A
f: → A :B
f → A→ B
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Question # 17
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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Question # 18
Choose an answer
[0,1[
[0, 1]
]0, 1[
None of these
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Question # 19
A function from X to Y is written as
Choose an answer
f : X to Y
f : Y to Y
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