The function y = e-4x is a solution to the differential equation
1
\(\rm{ d^2y\over dx^2 }-3 { dy\over dx }-3y=0\)
2
\(\rm{ d^2y\over dx^2 }+3 { dy\over dx }-4y=0\)
3
\(\rm{ d^2y\over dx^2 }-3 { dy\over dx }-4y=0\)
4
\(\rm{ d^2y\over dx^2 }-4 { dy\over dx }-4y=0\)