YoloShroom
  • YoloShroom
Anyone feel like helping me out? <3 http://imgur.com/kdVi1Wq
Mathematics
katieb
  • katieb
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YoloShroom
  • YoloShroom
anonymous
  • anonymous
Pretty sure this one is D. Look at the graph of a parabola for instance. Tilt your pencil so it is oriented horizontally, and then slide your pencil up the graph. You'll see that the pencil will hit the graph at two points, which is not a one-to-one as the answer is referring to. Therefore, this statement is false. You should also know at this point that a parabola is a function. And just for the sake of stating - the best way to test if an equation is a function is to use the vertical line test. Take your pencil and orient it vertically, then move it from left side of the graph to the right. If your pencil intersects the graph twice at the same horizontal point, then it is not a function. For example, circles, ellipses, and hyperbolas are not functions.
YoloShroom
  • YoloShroom
Well Shrix, sorry i know you're typing.. I Undertstood what you were saying but when i chose D as my answer, it told me i was wrong, and using the process of elimination i was able to find out that the answer ws infact B :( any idea why it is B? ;-; Graphing is my weakest area

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YoloShroom
  • YoloShroom
I shalt grant you a medal though, through your help i was able to figure out the answer so <3
anonymous
  • anonymous
That does not make sense to me. "In mathematics, the vertical line test is a visual way to determine if a curve is a graph of a function or not. A function can only have one output, y, for each unique input, x." aka, one-to-one. B is true..
YoloShroom
  • YoloShroom
Hmph, Nevermind m8, s'all good. ^_^

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