Functions and Limits MCQ Practice | PakMath

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Functions and Limits MCQ Practice (Chapter 1)

FUNCTION AND LIMITS MCQ Ch#01 consist of multiple choice questions with answers. Just read the MCQ and click on answer to check the mcqs answer.

Why Practice Functions and Limits MCQs?

Reinforce Learning: Test your understanding of fundamental concepts.
Improve Problem-Solving: Develop your ability to apply formulas and theorems.
Exam Preparation: Get ready for tests and assessments with targeted practice.
Instant Feedback: Check your answers immediately and learn from mistakes.

How to Use This MCQ Practice:

Read each question carefully.
Select the answer you believe is correct.
Click the “answer” button to reveal the solution.
Review the explanation to understand the correct approach.

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Q.2. A function from X to Y is denoted by

(a) f:X →X

(b) f:Y →X

(d) f:Y →Y

Check Answer

Q.3 A function from Y to X is denoted by

(a) f:X →X

(b) f:Y →X

(d) f:Y →Y

Check Answer

Q.4 A function f:X →Y is defined by f(x) = c $\forall x\in X,c\in Y$ , has the domain equal to: (Gujranwala Board. 2007)

(a) {c}

(b) R

(d) X

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Q.5 If y is expressed in terms of a variable x as y= f(x), then y is called (Lahore Board. 2005)

(a) explicit function

(b) implicit function

(d) identity function

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Q.6 If f: X→Y is a function, then $y \in Y$ is called (Lahore Board, 2006)

(a) dependent variable off

(b) independent variable of f

(d) range of f

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Q.7 If f: X→Y is a function, then the elements of X are called

(a) pre-images

(b) images

(d) ranges

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Q.8 If f:X→Y is a function and $x \in X$ , then

(a) f(x) = 1

(b) $f(x) \in Y$

(d) $f(x) \notin Y$

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Q.9 If f:X →f(X) is a function, then the elements of f(X) are called

(a) pre-images

(b) images

(d) ranges

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Q.10 If y is an image of x under the function f, we write it as

(a) x = f (y)

(b) y = f (x)

(d) $y \neq f(x)$

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Q.11 is

(a) Function

(b) Not function

(d) Line

(Lahore board, 2007)

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Q.12 The function has maximum value if

(a) a > 0

(b) a < 0

(d) a > 2

(Lahore board, 2007)

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Q.13 If $f : x \rightarrow -x^2$ is a function then

(a) f(x) = x

(b) f(x) = x²

(d) f(x) = -x²

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Q.14 If $f : x \rightarrow -x^2$ is a function then f( 2 ) =

(a) -4

(b) -2

(d) 4

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Q.15 If $f : x \rightarrow -x^2$ is a function then f( -2 ) =

(a) -4

(b) -2

(d) 4

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Q.16 If $f : x \rightarrow (-x^2)$ is a function then f( -2 ) =

(a) -4

(b) -2

(d) 4

Check Answer

Q.17 If $f : x \rightarrow (-x^2)$ is a function then f( 2 ) =

(a) -4

(b) -2

(d) 4

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Q.18 If y = f ( x ) is a function, then y is called

(a) dependent variable

(b) constant

(d) none of these

(Lahore board, 2008)

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Q.19 If $f: x \rightarrow x^3$ is a function then f( 2 ) =

(a) 8

(b) -2

(d) -8

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Q.20 If $f: x \rightarrow x^3$ is a function then f( 2 ) =

(a) 8

(b) -2

(d) -8

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Q.20 If $f:x \rightarrow -x^3$ is a function then f( -2 ) =

(a) 8

(b) -2

(d) -8

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Q.21 If $f : x \rightarrow x+3$ is a function then f( 3 ) =

(a) 0

(b) 3

(d) 7

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Q.22 If $f : x \rightarrow 2x+5 \;then\; f(2)\; equals$

(a) 1

(b) 9

(d) -1

(Lahore board, 2007)

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Q.23 If $f : x \rightarrow x+3$ is a function then f( 4 ) =

(a) 0

(b) 3

(d) 7

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Q.24 If $f : x \rightarrow x-3$ is a function then f( 1 / 2) =

(a) – 7 / 2

(b) – 5 / 2

(d) – 1 / 2

Check Answer

Q.25 If $f : x \rightarrow x^2-2x+1$ is a function then f( 0 ) =

(a) -1

(b) 0

(d) 2

Check Answer

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FUNCTION AND LIMITS MCQs Ch#01with answers

Functions and Limits MCQ Practice (Chapter 1)

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