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\centerline
{
\bf ``QUIZ'' for Lecture 12
}
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{\bf NAME:} (print!) $\underline
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{\quad \bf Section:}
$\underline{\quad\quad\quad}$

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{\bf E-MAIL ADDRESS:} (print!) 
$\underline
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{\bf 1.} Calculate the iterated integral
$$
\int_{1}^{2} \int_{-1}^{1} (x+ y^2) \, dx \, dy
\quad .
$$

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{\bf 2.} 
Calculate the double integral
$$
\int\int_{R} {{x^2y} \over {x^3+1}} \, dA \quad, \quad
$$
$$
R=\{(x,y)\, \vert \, 
0 \leq x \leq 1 \, , \, -1 \leq y \leq 1 \, \} \quad.
$$


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