Recent questions tagged functions / GATE Overflow for GATE CSE

2 votes

0 answers

61

TIFR
If $x$ is real, then the value of $x^{2}– 6x + 13$ can never be _____

If $x$ is real, then the value of $x^{2}– 6x + 13$ can never be _____

rachana123

439 views

rachana123 asked Dec 3, 2022

1 votes

1 answer

62

KSET 2015 computer science
Let X and Y be two sets having n elements each. Then the total number of bijective functions from X and Y is (A) n (B) 2n (C) n! (D) 2n

Let X and Y be two sets having n elementseach. Then the total number of bijectivefunctions from X and Y is(A) n (B) 2n(C) n! (D) 2n

Rekhashri

509 views

Rekhashri asked Nov 19, 2022

1 votes

2 answers

63

#Unacademy
Find inverse in a*b=a+b-ab for all a,b belongs to Q-{-1}. where Q is a rational number? please explain how the inverse will satisfy the equation of inverse(a*b=b*a=e)

Find inverse in a*b=a+b-ab for all a,b belongs to Q-{-1}. where Q is a rational number?please explain how the inverse will satisfy the equation of inverse(a*b=b*a=e)

Dknights

485 views

Dknights asked Nov 4, 2022

0 votes

0 answers

64

made easy test series

Neelu Lalchandani

355 views

Neelu Lalchandani asked Oct 16, 2022

5 votes

1 answer

65

TIFR CSE 2022 | Part A | Question: 5
Let $\mathcal{F}$ be the set of all functions mapping $\{1, \ldots, n\}$ to $\{1, \ldots, m\}$. Let $f$ be a function that is chosen uniformly at random from $\mathcal{F}$. Let $x, y$ be distinct elements from the set $\{1, \ldots, n\}$. Let $p$ denote the probability ... Then, $p=0$ $p=\frac{1}{n^m}$ $0<p \leq \frac{1}{m^n}$ $p=\frac{1}{m}$ $p=\frac{1}{n}$

Let $\mathcal{F}$ be the set of all functions mapping $\{1, \ldots, n\}$ to $\{1, \ldots, m\}$. Let $f$ be a function that is chosen uniformly at random from $\mathcal{F}...

admin

473 views

admin asked Sep 1, 2022

5 votes

1 answer

66

GO Classes CS Test Series 2025 | Calculus | Topic Wise Test 3 | Question: 4
The function $f(x)=\cos x-x$ is an even function is an odd function is neither an even nor an odd function None of these

The function $f(x)=\cos x-x$is an even functionis an odd functionis neither an even nor an odd functionNone of these

GO Classes

500 views

GO Classes asked Aug 28, 2022

0 votes

0 answers

67

Best Open Video Playlist for Functions Topic | Quantitative Aptitude
Please list out the best free available video playlist for Functions from Quantitative Aptitude as an answer here (only one playlist per answer). We'll then select the best playlist and add to GO classroom video lists. You ... ones are more likely to be selected as best. For the full list of selected videos please see here

Please list out the best free available video playlist for Functions from Quantitative Aptitude as an answer here (only one playlist per answer). We'll then select the be...

makhdoom ghaya

163 views

makhdoom ghaya asked Aug 26, 2022

1 votes

1 answer

68

maths igate test series
Which of the relations below can also be characterized as a function defined on the set I = { 1, 2, 3, 4, 5 } { (x, y) | x, y ∈ I, x < y } B{ (x, y) | x, y ∈ I, x = 1 } C{ (x, y) | x, y ∈ I, x! = y } None of these

Which of the relations below can also be characterized as a function defined on the setI = { 1, 2, 3, 4, 5 }{ (x, y) | x, y ∈ I, x < y }B{ (x, y) | x, y ∈ I, x = 1 }C...

jugnu1337

503 views

jugnu1337 asked Aug 15, 2022

1 votes

1 answer

69

ISI 2021 | PCB CS | Question: 4
Let $A$ be a matrix of size row $\times$ col. $A$ has to be filled in a spiral clockwise fashion with successive integers from $1,2, \ldots$, row $\times$ col starting from the top left corner. For example, a $3 \times 4$ ... (int *)); for(i=0;i<row;i++){ A[i] = (int *)calloc(col,sizeof(int)); } spiralFill(A,row,col); }

Let $A$ be a matrix of size row $\times$ col. $A$ has to be filled in a spiral clockwise fashion with successive integers from $1,2, \ldots$, row $\times$ col starting fr...

admin

585 views

admin asked Aug 8, 2022

5 votes

3 answers

70

GO Classes Scholarship 2023 | Test | Question: 17
Consider the following pair of mutually recursive functions. int f(int n){ if (n==0) return 1; return f(n-1)+g(n-1); } int g(int n){ if (n==0) return 1; return g(n-1) - f(n); } Which of the following is/are will evaluate to TRUE? $f(2) == g(0)$ $g(2)+f(1) == 0$ $g(4)+g(1) == 0$ $f(3)+f(0) == 0$

Consider the following pair of mutually recursive functions.int f(int n){ if (n==0) return 1; return f(n-1)+g(n-1); } int g(int n){ if (n==0) return 1; return g(n-1) - f(...

GO Classes

644 views

GO Classes asked Aug 6, 2022

2 votes

1 answer

71

GO Classes Scholarship 2023 | Test | Question: 24
Consider the following function $\text{magic5().}$ void magic5(int x, int y){ if (condition) printf("magic"); } What condition we can write in “if-statement” such that $\text{magic5(5,5)}$ will print magic? !(x==5)!=!(y==5) (x==5)?!(y==5):(x==5) ((x==5)||(y==5))&&!((x==5)&&(y==5)) None of these

Consider the following function $\text{magic5().}$void magic5(int x, int y){ if (condition) printf("magic"); }What condition we can write in “if-statement” such that ...

GO Classes

338 views

GO Classes asked Aug 6, 2022

0 votes

1 answer

72

Maths for natural science
Determine the domain of the function $f(x)=\left | x \right |+1$

Determine the domain of the function $f(x)=\left | x \right |+1$

Hailemariam

316 views

Hailemariam asked Aug 5, 2022

3 votes

1 answer

73

GO Classes Weekly Quiz 12 | Discrete Mathematics | Group Theory, Functions | Question: 6
Let $f$ be a function from a set $X$ to a set $Y$. Consider the following statements. $P:$ For each $x \in X$, there exists $y \in Y$ such that $f(x)=y$. $Q$ : For each $y \in Y$, there exists $x \in X$ ... to-one and onto $Y$ " is $P$ or not $R$ $R$ or not $P$ $R$ or not $Q$ $P$ and not $R$

Let $f$ be a function from a set $X$ to a set $Y$. Consider the following statements.$P:$ For each $x \in X$, there exists $y \in Y$ such that $f(x)=y$.$Q$ : For each $y ...

GO Classes

375 views

GO Classes asked May 29, 2022

5 votes

1 answer

74

GO Classes Weekly Quiz 12 | Discrete Mathematics | Group Theory, Functions | Question: 14
Let $\mathrm{f}: \mathrm{A} \rightarrow \mathrm{B}$ and $\mathrm{g}: \mathrm{B} \rightarrow \mathrm{C}$ be maps. Which of the following is/are true? If $f$ and $g$ are both one-to-one functions, then $gof$ is one-to-one. ... $g \circ f$ is one-to-one and $f$ is onto, then $g$ is one-to-one.

Let $\mathrm{f}: \mathrm{A} \rightarrow \mathrm{B}$ and $\mathrm{g}: \mathrm{B} \rightarrow \mathrm{C}$ be maps.Which of the following is/are true?If $f$ and $g$ are both...

GO Classes

313 views

GO Classes asked May 29, 2022

18 votes

9 answers

75

GO Classes CS/DA 2025 | Weekly Quiz 1 | Fundamental Course | Question: 1
Let $\text{S} =\displaystyle \sum_{i=1}^n f(x_i), \text{A}=\displaystyle\sum_{i=1}^{a} f(x_i)$ and $\text{B}=\displaystyle \sum_{i=a}^n f(x_i)$ ... $\text{S}=\displaystyle \sum_{i=1}^{a-1} f(x_i)+ \text{B}$ $\text{S = A + B}-f(x_a)$

Let $\text{S} =\displaystyle \sum_{i=1}^n f(x_i), \text{A}=\displaystyle\sum_{i=1}^{a} f(x_i)$ and $\text{B}=\displaystyle \sum_{i=a}^n f(x_i)$ thenWhich of the following...

GO Classes

2.8k views

GO Classes asked May 1, 2022

2 votes

1 answer

76

GO Classes Test Series 2024 | Programming | Test 3 | Question: 16
What will be printed by the following program? #include<stdio.h> int func(int n, int * fg) { int t, f; if (n <= 1) { *fg = 1; return 1; } t = func(n - 1, fg); f = t + *fg; *fg = t; return f; } int main() { int x = 15; printf("%d\n", func(5, &x)); }

What will be printed by the following program?#include<stdio.h int func(int n, int * fg) { int t, f; if (n <= 1) { *fg = 1; return 1; } t = func(n - 1, fg); f = t + *fg; ...

GO Classes

280 views

GO Classes asked Apr 30, 2022

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