Check my answers.? Medal & fan will be given.

Which relation is a function?

{(1, 2); (2, 3); (3, 4); (1, 5)}
{(1, 2); (2, 5); (3, 2); (4, 5)}

Question

Check my answers.? Medal & fan will be given.


 Which relation is a function?


     {(1, 2); (2, 3); (3, 4); (1, 5)} 
        {(1, 2); (2, 5); (3, 2); (4, 5)}  <my answer
        {(1, 2); (2, 3); (3, 4); (2, 5)}
        {(1, 2); (1, 3); (3, 2); (4, 2)}


 What is the range of the relation?

 {(1, 2); (2, 4); (3, 1), (4, 3)}

 
       {1, 2, 3, 4}
        {1, 2, 3, 4, 6}  <my answer
        {2, 4, 6}
        {2, 4}

anonymous · Answer

The first one is good, you chose the one that has no matching x-values, but the second one is wrong. Where did you get the 6 from?

dopeeaf · Answer

Okay thanks. I see my mistake i must have looked at the numbers wrong

anonymous · Answer

No problem, hope you understand.