Asked by Erika<3

Which is NOT a function?
A.y-x=6
B.y=2x
C.x=-2
D.y+x=12
I think the answer is B, but I'm not too sure. please help me I'm relly struggling
Answered by Emma Helper
Well, a function is a expression that uses one or more variables.
Answered by Erika<3
oooh so would it be C?
Answered by Peer Tutor
@Emma Helper did you know you can help people on Brainly! I help people here and at brainy!
Answered by oobleck
yes, C
a function is a relation between two variables. C has only a single variable.
Answered by Erika<3
Thank you @oobleck
Answered by Emma Helper
Peer Tutor, oooh cool! I'll do that
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