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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
tan h x = _________
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Question # 3
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-2
-1
1
2
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Question # 4
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0
1
-1
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Question # 5
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0
1
8
∞
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Question # 6
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1/8
1/2
1/4
1/6
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Question # 7
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sin h x
cos h x
tan h x
cot h x
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Question # 8
Graph of the question x
2
+ y
2
= 4 is
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A circle
An ellipse
A parabola
A square
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Question # 9
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Question # 10
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 # 11
f(x) = C is
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identity function
constant function
linear function
quadratic function
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Question # 12
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 # 13
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 # 14
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0
-2
1
4
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Question # 15
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 # 16
A rule that assigns to each elements x in X a unique element y in Y is called a ____________
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domain
range
function
none of these
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Question # 17
The range of function f(x)=-x2+2x-1 is
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R
(-∞,0]
(-∞,1]
[0,∞)
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Question # 18
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 # 19
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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