<PRE><B>Question 1038909</B>
.
From the context.


You can determine it from the context.


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In the following post the tutor &quot;rothauserc&quot; writes


&quot;. . . y = x^2 is not a function . . . &quot;.



In contrary, &amp;nbsp;&lt;U&gt;IT IS&lt;/U&gt;, &amp;nbsp;as everybody knows.


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