Is this a function? Why or Why not?
(2,0)(2,-1)(4,-2)(7,-3)
I don't remember, and I left my notes in the classroom.

Question

anonymous · Answer

A function is when an x term only has one y term

anonymous · Answer

So.....yes? :/ D;

anonymous · Answer

The answer is  no, because the x value 2 has 2 different y values

e.mccormick · Answer

A little more to explain that: Are any of the Xes the sam with different Ys?  If yes, then it is NOT a function.

anonymous · Answer

OH OKAY! I GET IT!

e.mccormick · Answer

Yah, it is kind of backwards.  Yes, Xes match, but Ys don't so no?  Huh?  But if you think of the vertical line test, if they ever told you about that one, the line would pass through both the Xes and bang, not a functon.

Thanks for the medal.  Don't have too much fun!