SOLUTION: Which of these equations represent functions? Check all that apply. A. y^2 = x^2 B. y = 3x C. y = x^2 D. x^2 - y^2 = 1

Algebra ->  Functions -> SOLUTION: Which of these equations represent functions? Check all that apply. A. y^2 = x^2 B. y = 3x C. y = x^2 D. x^2 - y^2 = 1       Log On


   

Question 144986: Which of these equations represent functions? Check all that apply.
A. y^2 = x^2
B. y = 3x
C. y = x^2
D. x^2 - y^2 = 1

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
B and C are functions
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Cheers,
STan H.