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\textbf{Math 225: Calculus III}
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\textbf{Quiz 6}\quad \textsl{Mar.\ 7/9, 1995}
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\begin{enumerate}
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\item 
Find the local maxima, local minima, and saddle points of
$$f(x,y) = (2x^3 - 24x)(y-1) + 3(y-1)^2$$
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\item 
Find the extreme values of $f(x,y) = x y^2$ subject to the constraint
$x^2 + 2y + y^2 = 0$.
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