Chapter 5.4, Problem 13P

In each of Problems $1$ through $13$, use the Laplace transform to solve the given initial value problem:

$y^{\left(4\right)}-9y=0;y\left(0\right)=1,y\text{'}\left(0\right)=0,y"\left(0\right)=-3,y\text{'}"\left(0\right)=0$.