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ECAT Pre General Science Mathematics Chapter 17 Functions and Limits Online Test MCQs With Answers
Question # 1
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Question # 2
f(x) = C is
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identity function
constant function
linear function
quadratic function
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Question # 3
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sin h x
cos h x
tan h x
cot h x
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Question # 4
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Question # 5
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Question # 6
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(1,7/3)
(1, 7/5)
(1, 11/7)
(1, 3/5)
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Question # 7
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
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Question # 8
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0
1
2
1/2
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Question # 9
If f(x) = x
2
then f(0) is
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0
1
2
none of these
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Question # 10
For f(x) = x2, what is the value of f(a) +f (-a) in terms of a?
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3a2
2a2
2a
-7a
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Question # 11
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Question # 12
If f(x) = x
2
-x then f(0) is
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0
1
2
3
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Question # 13
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2
6
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Question # 14
Every relation, which can be represented by a linear equation in two variables, represents a
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Relation
Cartesian product
Function
Graph
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Question # 15
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Question # 16
Inverse of the function y-10x is
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y=logx
y=lnx
x=10y
x=10y
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Question # 17
If f(x) = x
3
- 2x
2
+ 4x -1 then f(0) is
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0
1
-1
none of these
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Question # 18
A function in which the variable appears as exponent is called:
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An identity function
A logarithmic function
an exponential function
A rational function
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Question # 19
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-1
1
2
-2
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Question # 20
f(x) = 3x/x
2
+ 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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Question # 21
Domain of cosh x is
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R
R -{0}
[1,∞)
[0,∞)
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Question # 22
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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Question # 23
sec h x = ________
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Question # 24
The range of function f(x)=-x2+2x-1 is
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R
(-∞,0]
(-∞,1]
[0,∞)
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Question # 25
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sin h x
cos h x
tan h x
cot h x
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Question # 26
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0
1
-1
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Question # 27
The range of inequality x + 2 > 4 is
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(-1, 2)
(-2, 2)
(1,
∞
)
None
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Question # 28
p(x) = 2x
4
- 3x
3
+ 2x - 1 is polynomial of degree
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1
2
3
4
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Question # 29
The domain of f(x) = log x is
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[0,
∞
]
(0,
∞
)
[0,
∞
[
[
∞
,
∞
]
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Question # 30
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0
1
8
∞
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Question # 31
If f(x) = -x
3
then f(-2) is
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-2
-4
-8
8
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