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  • Help me please, What is the domain of relation ?{(1,3); (2,9); (5,7); (3,8)}

What is the domain of relation ?

{(1,3); (2,9); (5,7); (3,8)}

  • Option 1)

    {1,2,3,5}

  • Option 2)

    {1,2,3}

  • Option 3)

    {3,7,9,8}

  • Option 4)

    {1,2,3,5,7,8,9}

 

Answers (1)

best_answer

As we have learnt,

 

DOMAIN -

The domain of R is the set of all first elements of the ordered pairs in a relation R.

- wherein

eg. R={(a,b),(c,d)}, then domain is {a,c}

 

 Domain is the set of first elements of the ordered pairs in relation R.

 

 


Option 1)

{1,2,3,5}

Option 2)

{1,2,3}

Option 3)

{3,7,9,8}

Option 4)

{1,2,3,5,7,8,9}

Posted by

Himanshu

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