Which of the following sets represents a function? {(3, 5), (-1, 7), (3, 9)}
{(1, 2), (3, 2), (5, 7)}
{(1, 2), (1, 4), (1, 6)}

Question

Which of the following sets represents a function? {(3, 5), (-1, 7), (3, 9)}
{(1, 2), (3, 2), (5, 7)}
{(1, 2), (1, 4), (1, 6)}

anonymous · Answer

To be a function in an ordered pair (x,y) for each value of x there can only be one y value.

anonymous · Answer

i still dont understand???

anonymous · Answer

Look at the first set of numbers (3,5) , (-1,7) (3,9)..What are the values for x in each of these pairs of numbers?

anonymous · Answer

3,-1,3

anonymous · Answer

You show the number 3 in two different ordered pairs correct. (3,5) and (3,9)  correct?

anonymous · Answer

yes correct

anonymous · Answer

The x values are the same but the y values are different so this cannot be a function because    For each x value there can only be 1 unique y value.

anonymous · Answer

Do you understand?

anonymous · Answer

yes thank you

anonymous · Answer

Sorry wrong question  (5,7) (6,9) (8,7)    Is this a function?