Home
Class 12
MATHS
If A={1,2,3},\ B={x , y} , then the numb...

If `A={1,2,3},\ B={x , y}` , then the number of functions that can be defined from A into B is `12` b. `8` c. `6` d. 3

A

3

B

6

C

8

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTION PAPER-1

    ICSE|Exercise SECTION-B|10 Videos
  • SAMPLE QUESTION PAPER-1

    ICSE|Exercise SECTION-C|9 Videos
  • SAMPLE QUESTION PAPER 5

    ICSE|Exercise Section .C.|10 Videos
  • SAMPLE QUESTON PAPER-2

    ICSE|Exercise SECTON-C|11 Videos

Similar Questions

Explore conceptually related problems

If A={a,b,c} and B={-3,-1,0,1,3} , then the number of injections that can be defined from A to B is .

If A={1,2,3) and B={a,b} , then the number of functions from A to B is

If A={x,y,z} and B={1,2} , then the number of relations from A to B is

Let A = {x_1, x_2, x_3, ,x_7},B={y_1, y_2, y_3} The total number of functions f: A->B that are onto and there are exactly three element x in A such that f(x)=y_2 is equal to a. 490 b. 510 c. 630 d. none of these

If a and b can take values 1,\ 2,\ 3,\ 4 . Then the number of the equations of the form a x^2+b x+1=0 having real roots is (a) 10 (b) 7 (c) 6 (d) 12

If function f(x) is defined from set A to B, such that n(A)=3 and n(B)=5 . Then find the number of one-one functions and number of onto functions that can be formed.

Statement -2 : The number of functions from A = {1, 2, 3} to B = {2008, 2009} is 8. and Statement-2 : The number of all possible functions from A = {1, 2, 3} to B = {2008, 2009} is 9.

Let A={x_1,x_2,x_3,x_4,x_5},B={y_1,y_2,y_3,y_4} , Function f is defined from A to B. Such that f(x_1)=y_1 , and f(x_2)=y_2 then, number of onto functions from A to B is (A) 12 (B) 6 (C) 18 (D) 27

If A={1,2} and B={3,6} and two functions f: A to B and g: A to B are defined respectively as : f(x) =x^(2) + 2 and g(x) =3x Find whether f=g

Let X={a_1, a_2, ,a_6}a n dY={b_1, b_2,b_3}dot The number of functions f from xtoy such that it is onto and there are exactly three elements x in X such that f(x)=b_1 is 75 (b) 90 (c) 100 (d) 120