<PRE><B>Question 1131115</B>
Which of the following is not a function? 
I. {(0,1),(1,2)(2,2)}. II. x^2 = y. III. x = 0
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Ans:: III because it has points (0,0),(0,1),(0,2) etc.
It does not have a unique y-value for each value of x.
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Cheers,
Stan H.
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A. I
B. II
C. III
D. I and II
E. II and III </PRE>