medals And fan Which relation is a function?
(Points : 4)
{(1, 2); (2, 3); (3, 4); (1, 5)}
{(1, 2); (1, 3); (1, 4); (1, 5)}
{(1, 2); (2, 3); (3, 4); (2, 5)}
{(1, 2); (2, 2); (3, 2); (4, 2)}

Question

medals And fan                                                                                                 Which relation is a function?
(Points : 4)
       {(1, 2); (2, 3); (3, 4); (1, 5)}
       {(1, 2); (1, 3); (1, 4); (1, 5)}
       {(1, 2); (2, 3); (3, 4); (2, 5)}
       {(1, 2); (2, 2); (3, 2); (4, 2)}

anonymous · Answer

First of all, do you know what a function is?

barreraa · Answer

no i dont

barreraa · Answer

@AlexandervonHumboldt2

anonymous · Answer

Okay, well to answer the question you need to know what a function is. So, allow me to explain. :)

alexandervonhumboldt2 · Answer

function is where for one x value only one y value coresponds

barreraa · Answer

oh ok

anonymous · Answer

Here is a website that can help you: http://www.mathsisfun.com/sets/function.html

anonymous · Answer

A function is a relation in which every element of the domain is assigned to exactly one element of the range.

anonymous · Answer

With that said, what do you think the answer is? (Assuming you know what a function is.)

barreraa · Answer

is it D

anonymous · Answer

Nope. A function can only have one output.

anonymous · Answer

Let's do this one now. @barreraA