SOLUTION: The following relation is not a function: A. y = 3x + 7 B. x = y^2 C. y = x D. x = y + 1

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The following relation is not a function: A. y = 3x + 7 B. x = y^2 C. y = x D. x = y + 1       Log On


   

Question 148621: The following relation is not a function:
A. y = 3x + 7
B. x = y^2
C. y = x
D. x = y + 1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x = y^2 because if x = 4, y could be 2 or it could be -2.
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so it's not a function.
Cheers,
Stan H.