The set of ordered pairs in the graph below can be described as which of the following?
https://static.k12.com/eli/bb/1211/6_69036/2_36656_1_69037/3d2b8ec456d2f28fe044d54fe6fb40be934894e4/media/c1fef9da1b0d45030e9bb7bcecdba5940624f4c4/mediaasset_1276813_1.png
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ANSWERS:
Select one:
a.
a relation only
b.
a function only
c.
both a relation and a function
d.
neither a relation nor a function

Question

The set of ordered pairs in the graph below can be described as which of the following?
https://static.k12.com/eli/bb/1211/6_69036/2_36656_1_69037/3d2b8ec456d2f28fe044d54fe6fb40be934894e4/media/c1fef9da1b0d45030e9bb7bcecdba5940624f4c4/mediaasset_1276813_1.png
-
ANSWERS:
Select one:
a.
a relation only
b.
a function only
c.
both a relation and a function
d.
neither a relation nor a function

shirleyarnett · Answer

i know its not a function

shirleyarnett · Answer

but i am trying to figure out if it is a relation or not

shirleyarnett · Answer

i am pretty sure he answer is D.

fedorable · Answer

It actually is a function.. If you do the vertical line test, then it passes.

ellableuuu · Answer

Fedorable is it both a relation and function then?

fedorable · Answer

Sorry, I'm not sure.

shirleyarnett · Answer

Yeah i am pretty sure it is d.

welshfella · Answer

It is definitely a function  Its not D.
Like Fed I'm not sure if its a relation . 
Hold on a sec.

ellableuuu · Answer

welshfella okay, thank you!

tarnett1 · Answer

its b

welshfella · Answer

http://mathinsight.org/definition/relation

welshfella · Answer

Check the above link.  
Its a relation and a function.