\begin{exerciseStatement}
Explain how to find the general solution to the given ODE, and the particular solution to the given IVP.
\[ -3 \, {y'} - 9 \, {y} = 0 ,\hspace{1em}
y\big( \log\left(2\right) \big)= -\frac{3}{8} \]
Then show how to verify that your particular solution is correct.
\end{exerciseStatement}
\begin{exerciseAnswer}
\[ {y} = k e^{\left(-3 \, t\right)} \]\[ {y} = -3 \, e^{\left(-3 \, t\right)} \]
\end{exerciseAnswer}