Given dy/dt=4y and y(2)=400. Find y(7).
dy/y = 4 dt
ln y = 4 t + c
e^lny = y = e^(4t+c) = k e^4t
400 = k e^8
k = .1342
you can take it from there I think
ln y = 4 t + c
e^lny = y = e^(4t+c) = k e^4t
400 = k e^8
k = .1342
you can take it from there I think