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\centerline{\bf Math.~125 Quizz \#1}
\centerline{September 1, 1998}
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Evaluate the following limit.
$$\lim_{w\to 2}{{w^2+2w-15}\over{w^2-2w-3}}$$


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Evaluate the following limit.
$$\lim_{r\to 3}{{r^2+2r-15}\over{r^2-2r-3}}$$

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Evaluate the following limit.
$$\lim_{x\to a}{{\sqrt{x}-\sqrt{a}}\over{x-a}}$$

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