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  • Help me solve this - Sets, Relations and Functions - JEE Main-2

If n(A)=2 and n(B)=3  then find number of functions from B to A.

  • Option 1)

    9

  • Option 2)

    8

  • Option 3)

    7

  • Option 4)

    6

 

Answers (1)

best_answer

As we learned 

 

Number of function -

f:A\rightarrow B

n\left ( A \right )=m

n\left ( B \right )= n

Total No of function = n^{m}

-

 

 number\: of\: functions=2^{3}=8

 


Option 1)

9

Option 2)

8

Option 3)

7

Option 4)

6

Posted by

Himanshu

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