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\textbf{Math 325: Differential Equations}
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\textbf{Quiz 1}\quad \textsl{Sept. 10, 1997}

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Find the general solution of the differential equation $y^{(4)} - y^{(3)} = t$.

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Use the Euler method with step size $h = 0.5$ to find an approximate value
for $\phi(2)$ where $\phi(t)$ is a solution of the initial value problem
$y' = t^3 - y^3$, $y(1) = 2$.

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