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{
\bf ``QUIZ'' for Sept. 21, 2009
}
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{\bf NAME:} (print!) $\underline
{\quad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}$
{\quad \bf Section:}
$\underline{\quad\quad\quad}$

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{\bf E-MAIL ADDRESS:} (print!) 
$\underline
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{\bf 1.} 
Find the limit if it exists, or show that the
limit does not exist.
$$
\lim_{(x,y) \rightarrow (0,0)} {{2x} \over {2x+3y}}
\quad .
$$


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{\bf 2.}
Find the limit if it exists, or show that the
limit does not exist.
$$
\lim_{(x,y) \rightarrow (0,0)} {{x^5} \over {x^2+y^2}} \quad .
$$



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