Answer:

Step-by-step explanation:
It is a linear homogeneous differential equation with constant coefficients:
y" + 4y = 0
Its characteristic equation:
r^2+4=0
r1=2i
r2=-2i
We use these roots in order to find the general solution:

Three hundred and nine thousand and seventeen
Answer:The function is nonlinear
Step-by-step explanation:
6z - 4 = 60
6z = 64
z = 10.66666666666666 (repeating)